Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 152102
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 PM AST Tue Jul 15 2025

PRZ001-160800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                73 77 82    79 87 90    72 77 82    81 88 92    72 76 82
Temp             80 78 77 78 83 86 87 85 80 79 77 78 84 87 88 85 80 78 77 78 84
Dewpt            76 76 75 75 76 77 77 77 76 76 76 75 77 77 77 78 76 77 75 75 76
RH               88 94 94 91 80 75 72 77 88 91 97 91 80 72 70 80 88 97 94 91 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         10  9  9  8 10 14 14 12  9  8  8  8 10 13 14 12  8  8  6  6  6
Clouds           B1 SC SC B1 B1 B2 B2 B2 SC SC FW FW SC SC SC SC CL CL CL CL SC
PoP 12hr                     50          60          30          20          10
QPF 12hr              0.14-0.28   0.65-0.85   0.04-0.10   0.12-0.17        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS SC SC SC NM NM SC SC       IS IS IS IS             IS
Tstms            IS                IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index       85 81       91 98 99 95 85 81    80 93100101 97 86 80       93
Max heat        101    92    97   108   105    91    99   110   109    93    98


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      75    88      76    89      76    89      76    90
Temp          89 80   76 83 88 80   76 84 89 80   77 84 89 81   77 84 90 81
Dewpt         76 75   75 75 76 75   74 76 76 75   74 75 75 75   75 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC FW   FW FW SC FW   FW FW SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10      10    40      10    20      10    30      10    20
Rain shwrs    IS IS   IS IS IS IS      IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ002-160800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                67 77 82    75 85 90    66 77 82    75 86 91    66 76 82
Temp             79 78 77 77 82 84 85 83 80 78 77 78 82 85 86 84 79 78 76 77 82
Dewpt            75 75 74 74 75 76 76 76 75 75 75 75 76 77 76 76 75 75 74 74 75
RH               88 91 90 90 79 77 75 80 85 91 94 91 82 77 72 77 88 91 94 90 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 12 12 10 13 14 14 12 10 10 11 11 12 13 13 12  9 10  9  8  9
Wind gust        24 24 24 21 24 25    23 21 21 21 23 24
Clouds           B2 B1 SC B1 B2 B2 B2 B2 SC SC FW FW B1 B1 SC SC CL CL CL CL SC
PoP 12hr                     60          60          50          40          20
QPF 12hr              0.25-0.31        0.87   0.09-0.18   0.13-0.20        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       NM SC IS SC SC NM NM NM SC SC IS IS SC SC IS IS             IS
Tstms            IS                IS IS
Obvis                                                       H  H  H  H  H  H  H
Heat index       84 81       88 94 95 91 84 81    80 90 96 96 92 85 81       89
Max heat         99    93    97   105   104    92    99   107   106    93    97


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      75    86      76    86      76    86      77    87
Temp          86 79   76 82 86 79   76 82 86 79   76 82 86 80   77 83 87 80
Dewpt         75 74   73 74 74 73   74 75 75 74   73 74 74 74   75 75 75 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1   B2 B1 SC SC
PoP 12hr         30      30    30      30    20      30    50      50    20
Rain shwrs    IS IS   SC SC IS IS   SC IS IS IS   IS IS SC SC   SC SC IS IS

$$
PRZ003-160800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                69 76 82    76 86 93    69 76 82    77 87 93    68 76 82
Temp             80 78 76 77 82 85 86 84 80 78 76 78 83 86 87 84 79 78 76 77 83
Dewpt            75 75 75 74 75 76 76 76 75 75 75 75 76 77 76 77 75 76 74 74 75
RH               85 91 97 90 79 75 72 77 85 91 97 91 80 75 70 80 88 94 94 90 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
Wind spd         11 10 10  9 10 14 14 12  9  9 10 10 11 13 12 11  9  9  8  8  8
Wind gust        23 21 20 19    28 33 25 19 19 20 20 23 26 25 23
Clouds           SC SC SC SC B1 SC B2 B2 SC SC FW FW SC SC FW FW CL CL CL CL FW
PoP 12hr                     50          60          40          10           0
QPF 12hr              0.08-0.28   0.49-0.86   0.03-0.13   0.03-0.13           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC SC SC SC IS SC IS IS IS IS IS IS             IS
Tstms                              IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index       84 81       89 95 96 92 84 81    80 90 97 98 94 84 80       90
Max heat        102    92    97   108   107    92   100   110   109    93    99


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      75    86      75    86      76    87      76    87
Temp          87 79   75 82 86 79   76 82 86 79   76 82 87 80   76 83 87 80
Dewpt         75 74   73 74 75 74   74 75 75 74   74 73 72 73   73 74 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW   FW FW SC SC   B1 SC FW FW   SC FW FW SC   SC SC FW FW
PoP 12hr          0      10    30      30    10      10    10      10    10
Rain shwrs    IS         IS IS IS   SC IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ004-160800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                69 74 76    75 83 89    69 74 77    75 84 91    68 73 76
Temp             77 75 74 74 79 82 83 81 77 75 74 75 80 83 84 82 77 75 73 75 80
Dewpt            73 73 73 73 74 75 75 74 73 73 73 73 75 75 75 75 74 74 73 73 74
RH               87 94 97 97 85 79 77 79 87 94 97 94 85 77 74 79 90 97100 94 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          8  6  5  5  8 11 11 10  5  5  6  6  9 11 11 11  5  5  4  4  5
Clouds           SC SC SC SC B1 SC B2 B2 SC SC FW FW SC SC SC SC CL CL CL CL FW
PoP 12hr                     40          60          30          10           0
QPF 12hr              0.09-0.29   0.60-0.86   0.03-0.11   0.10-0.19           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS SC IS NM NM IS SC IS IS IS IS IS IS             IS
Tstms                              IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index                   83 89 91 86             85 92 92 88             85
Max heat         98    87    93   103   102    86    96   105   103    86    97


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      72    85      72    85      73    85      73    86
Temp          85 76   72 79 85 76   73 80 85 77   73 80 85 77   74 81 86 78
Dewpt         73 73   72 73 74 72   72 74 73 72   72 73 72 72   72 74 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW   FW FW SC SC   SC SC SC SC   SC FW FW SC   SC FW FW FW
PoP 12hr          0      10    30      10    20      10    20      10    10
Rain shwrs    IS      IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ005-160800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                72 76 82    82 87 92    72 76 82    83 88 93    72 75 82
Temp             80 78 76 77 83 86 87 84 79 78 76 77 83 87 88 85 80 78 76 77 83
Dewpt            76 75 75 74 77 78 78 78 76 76 75 75 77 78 79 78 77 76 75 74 77
RH               88 91 97 90 82 77 75 82 91 94 97 94 82 75 75 80 91 94 97 90 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11  8  6  6 10 17 18 16 11  9  6  8 10 13 16 14 10  8  8  6  6
Wind gust        23             27 29 28 23             24 28 26 20
Clouds           SC SC SC SC SC SC B2 B1 SC FW CL CL SC SC SC SC FW FW CL CL FW
PoP 12hr                     20          50          30          10           5
QPF 12hr              0.04-0.23   0.50-0.79        0.04   0.11-0.59           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC SC SC IS       IS IS IS IS IS IS
Tstms                              IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index       84          91 99101 95 84          93101104 97 85          92
Max heat        104    92    98   113   112    91   101   116   115    93    98


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      74    87      74    89      75    89      75    90
Temp          88 79   75 82 87 79   75 83 89 79   76 83 89 80   76 84 90 80
Dewpt         78 76   75 76 78 76   74 76 78 76   74 76 77 75   75 77 78 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    FW FW   FW FW FW FW   FW FW FW SC   CL FW SC SC   SC SC SC SC
PoP 12hr          5       5    10       5    20       5    20      10    20
Rain shwrs    IS IS   IS    IS IS         IS IS      IS IS IS   IS IS IS IS

$$
PRZ006-160800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                62 72 76    75 82 92    62 72 77    75 83 92    62 71 76
Temp             75 74 72 73 78 81 82 80 76 74 72 73 79 82 83 80 75 74 72 73 79
Dewpt            72 72 71 71 73 74 74 74 72 72 72 72 73 74 75 74 73 73 71 71 73
RH               90 93 97 93 85 79 77 82 87 93100 97 82 77 77 82 94 97 97 93 82
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  4  4  4  6 11 13 10  5  5  5  5  8 10 11  9  5  4  4  3  4
Wind gust                       28 33 24                25 25 21
Clouds           FW FW FW FW SC FW B1 B1 FW FW CL CL FW FW SC SC CL CL CL CL CL
PoP 12hr                     20          50          10          10           0
QPF 12hr              0.03-0.15   0.44-0.75        0.02   0.10-0.58           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC SC IS IS       IS IS IS IS
Tstms                              IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index                   81 86 88 83             82 88 89 85             82
Max heat        100    85    94   105   104    86    96   107   105    85    97


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      70    82      71    83      71    84      72    84
Temp          84 75   71 77 82 74   71 78 83 75   72 79 84 76   72 79 84 76
Dewpt         74 72   71 72 74 72   71 73 73 71   71 71 72 71   71 72 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW   CL CL FW FW   FW FW FW FW   CL CL FW SC   SC FW FW SC
PoP 12hr         10       0    40       0    10       0    30      10    30
Rain shwrs    IS IS         IS IS         IS IS         IS IS   IS IS IS IS

$$
PRZ007-160800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                64 76 82    75 87 94    64 76 82    75 87 94    63 75 82
Temp             79 78 76 77 83 86 87 85 80 78 76 77 83 86 87 85 79 77 76 77 83
Dewpt            73 72 72 70 72 73 74 75 73 72 72 71 73 74 75 75 74 73 72 70 72
RH               82 82 87 79 70 65 65 72 79 82 87 82 72 68 68 72 85 87 87 79 70
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E NE  E
Wind spd         10  6  5  4  5 13 17 13  9  6  6  5  8 13 12 11  8  6  5  4  4
Wind gust        25             29 35 28 23          20 28 27 24 21
Clouds           FW FW FW FW FW FW B1 B1 SC FW FW FW FW FW B1 B1 FW FW FW FW CL
PoP 12hr                      5          50          10          40           0
QPF 12hr              0.02-0.10   0.39-1.07        0.03   0.12-0.88           0
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS    IS IS IS SC SC IS IS IS IS       SC SC IS IS
Tstms                              IS IS                   IS IS
Obvis                                                 H  H  H  H  H  H  H  H  H
Heat index       83          88 94 96 92 84 80       88 94 97 93 84          88
Max heat        101    91    97   109   108    92    98   109   108    92    96


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      74    86      75    87      75    88      75    88
Temp          88 79   75 81 86 79   75 82 87 79   75 83 88 79   76 83 88 80
Dewpt         74 73   71 72 74 73   71 72 73 72   71 70 71 72   71 71 72 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   CL CL FW SC   FW FW FW FW   CL CL FW SC   SC FW FW FW
PoP 12hr         40       0    40       0     5       0    20      10     5
Rain shwrs    SC SC         IS IS            IS         IS IS   IS IS IS IS
Tstms            IS

$$
PRZ008-160800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                70 74 82    83 86 93    70 74 82    83 87 94    70 74 82
Temp             78 76 75 76 81 85 86 83 78 76 75 76 82 86 87 84 78 76 75 76 82
Dewpt            75 74 74 73 75 76 77 76 75 74 74 73 75 76 78 76 76 75 74 73 75
RH               91 94 97 90 82 75 75 80 91 94 97 90 79 72 75 77 94 97 97 90 79
Wind dir          E  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         10 10  8  8 11 18 19 18 16 11 10  9 11 12 14 12 10 10 10  8  8
Wind gust        21             28 31 31 29 23 20       23 27 25 20 20
Clouds           SC SC SC FW FW FW B2 B2 SC FW FW FW FW FW B1 B1 SC SC FW FW CL
PoP 12hr                     20          50          40          40          30
QPF 12hr              0.04-0.12   0.49-0.91        0.05   0.44-0.88        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS SC SC SC IS IS IS       SC SC SC SC
Tstms                              IS IS                   IS IS
Obvis                                                 H  H        H  H  H  H  H
Heat index       80          87 95 97 91 80          88 96 99 93 81          88
Max heat        103    91    98   112   111    91    99   115   114    93    97


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      73    86      73    86      73    87      74    88
Temp          86 78   74 81 86 77   74 81 86 78   74 81 87 78   74 82 88 79
Dewpt         77 75   73 74 76 75   73 74 77 75   73 74 76 74   73 75 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    LT      LT    GN      LT    GN      GN    BZ
Avg clouds    FW SC   FW FW FW SC   FW FW SC SC   CL CL FW SC   SC SC SC SC
PoP 12hr         20       5    40       5    50       0    20      10    40
Rain shwrs    IS IS         SC IS   IS IS SC SC         IS IS   IS IS IS SC
Tstms                                        IS

$$
PRZ009-160800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                65 72 76    75 83 93    65 72 76    75 84 93    65 71 76
Temp             76 74 72 73 78 82 83 80 75 74 72 73 79 83 84 81 75 73 72 73 79
Dewpt            72 72 71 69 73 74 75 73 73 72 71 70 73 74 75 74 74 73 71 70 72
RH               87 93 97 87 85 77 77 79 94 93 97 90 82 74 74 79 97100 97 90 79
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          4  4  3  4  5 10 11  9  6  5  5  4  5  8  6  5  4  5  4  4  3
Wind gust        23             26 32 24 19             27 25 20
Clouds           FW FW FW FW FW FW B2 OV SC CL CL CL CL CL B2 B2 SC SC FW FW CL
PoP 12hr                      5          70          40          50          10
QPF 12hr              0.02-0.08   0.53-1.75        0.04   0.29-1.03        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS          NM NM SC                SC SC IS IS
Tstms                              IS IS                   IS IS
Obvis                                                 H  H        H  H  H  H  H
Heat index                   80 88 90 84             82 89 91 85             82
Max heat        100    86    94   107   107    86    94   108   106    87    94


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      70    83      71    83      71    84      71    85
Temp          84 75   71 78 83 75   71 78 83 75   71 79 84 75   72 80 85 76
Dewpt         75 73   71 72 74 72   71 72 74 72   71 71 73 72   71 72 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   CL CL SC B1   FW FW FW SC   CL CL SC B1   SC FW FW SC
PoP 12hr         50       0    70       0    40       0    70      10    50
Rain shwrs    NM NM         SC SC         SC SC         NM IS   IS IS NM NM
Tstms         IS IS         IS IS            IS         IS IS         IS IS

$$
PRZ010-160800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                70 75 82    77 88 94    70 75 82    77 89 94    69 74 82
Temp             79 77 75 76 83 87 88 85 79 77 75 76 83 88 89 85 79 77 75 76 83
Dewpt            76 75 73 72 75 76 78 77 76 75 74 72 75 77 78 77 77 76 74 72 74
RH               91 94 94 87 77 70 72 77 91 94 97 87 77 70 70 77 94 97 97 87 74
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  9  5  6  6 10 10 11 10  9  8  6  6  6  6  6  8  8  9  6  5
Wind gust        18 27 21 19 19 24 25 25 24 25 25 23 20 19 18 20 18 20 24 21 19
Clouds           SC SC SC FW FW FW B2 OV B1 FW FW FW FW FW B2 B2 SC SC FW FW CL
PoP 12hr                     20          80          50          70          30
QPF 12hr              0.02-0.13   0.38-1.76   0.04-0.20   0.59-1.03        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS          NM  D SC SC IS IS       NM NM SC SC IS IS
Tstms                              IS IS IS                IS IS
Obvis                                                 H  H        H  H  H  H  H
Heat index       82          89 98101 95 82          91 99103 96 83          90
Max heat        105    91    97   114   112    91    98   116   114    93    97


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      74    88      74    88      74    89      74    89
Temp          89 79   75 82 88 79   75 82 88 79   75 83 89 79   75 83 89 80
Dewpt         77 75   73 74 77 75   73 74 77 75   73 74 77 75   73 74 77 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW SC   FW FW SC B1   FW FW FW SC   FW FW FW B1   SC SC SC SC
PoP 12hr         60       0    80       5    50       0    60      10    60
Rain shwrs    NM NM         SC SC   IS IS NM NM   IS    NM NM   IS IS NM NM
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ011-160800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 75 82    83 91 94    71 76 82    83 91 94    71 75 82
Temp             81 78 76 77 85 90 91 87 81 78 76 77 85 90 91 87 81 78 76 77 85
Dewpt            76 74 73 71 74 76 77 77 76 74 73 72 74 77 77 77 77 75 73 72 74
RH               85 88 90 82 70 64 64 72 85 88 90 85 70 66 64 72 88 91 90 85 70
Wind dir          E  E  E  E  E SE  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E
Wind spd         16 11  8  5  4 11 17 14 13 11 10  8  9 16 16 11 12 11 10  8  5
Wind gust        33 26 19       29 36 31 31 25 24 20 20 32 34 25 26 26 24 20
Clouds           SC FW FW SC CL CL B1 B2 SC FW FW FW FW FW B2 B2 SC SC SC SC CL
PoP 12hr                     10          60          40          50          20
QPF 12hr                   0.04   0.36-1.68        0.05   0.59-1.03        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS    IS       SC NM SC IS IS IS IS IS SC SC IS IS IS IS
Tstms                              IS IS                   IS IS
Obvis                                                 H  H        H  H  H  H  H
Heat index       86          92102105 99 87          93103105 99 87          92
Max heat        101    92    97   110   110    92    97   112   111    93    96


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      74    90      75    90      75    91      75    92
Temp          91 80   75 84 90 80   76 84 90 80   76 85 91 80   76 85 92 81
Dewpt         77 76   72 73 76 75   72 74 76 75   72 72 73 75   71 73 75 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC SC   FW FW FW SC   FW FW FW FW   CL CL FW SC   SC FW FW FW
PoP 12hr         70       0    40       5     5       0    20      10     5
Rain shwrs    NM NM   IS    SC SC   IS IS IS            IS IS   IS IS IS IS
Tstms         IS IS

$$
PRZ012-160800-
Culebra-
Including the city of Culebra
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      80    83 87 92          80    83 87 92          80
Temp             82 81 80 80 84 87 87 86 82 81 80 81 85 87 87 86 82 81 80 81 84
Dewpt            77 77 76 76 77 78 77 77 77 77 77 77 77 78 78 78 77 77 76 76 76
RH               85 88 88 88 80 75 72 75 85 88 91 88 77 75 75 77 85 88 88 85 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         21 20 21 19 20 20 19 19 19 20 19 19 20 19 18 16 16 17 16 13 14
Clouds           B2 B2 SC B1 B2 B2 B2 B2 SC SC SC SC B1 B1 SC SC FW FW FW FW SC
PoP 12hr                     60          60          50          40          20
QPF 12hr                   0.32        0.89        0.23        0.19        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       NM SC IS SC NM NM NM NM SC SC SC SC SC SC IS IS             IS
Tstms            IS                IS IS
Obvis                                                       H  H  H  H  H  H  H
Heat index       91 88 84 86 93 99 99 96 91 89 85 87 95 99100 97 90 88 84 86 93
Max heat        103    93    98   106   106    93    99   106   106    94    98


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      79    87      80    87      80    88      80    88
Temp          87 82   80 84 87 82   80 85 87 82   80 85 88 83   80 85 88 83
Dewpt         76 76   75 75 76 75   75 75 77 76   75 76 76 76   77 76 78 77
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B1 B1 SC SC   B1 B1 SC SC   SC SC B1 B1   B2 B1 SC SC
PoP 12hr         40      40    50      50    20      40    50      50    20
Rain shwrs    IS SC   SC SC SC SC   SC SC IS IS   IS SC SC SC   SC SC IS IS

$$
PRZ013-160800-
Vieques-
Including the city of Vieques
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                75 79 82    83 87 90    75 79 82    83 87 91    76 78 82
Temp             81 80 79 80 84 86 87 85 81 80 79 80 84 87 87 85 81 80 78 79 84
Dewpt            75 75 75 75 75 75 75 76 75 76 76 75 76 77 76 76 75 75 75 75 75
RH               82 85 88 85 74 70 68 75 82 88 91 85 77 72 70 75 82 85 91 88 74
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         19 19 20 19 20 20 19 19 18 19 19 19 19 18 18 16 16 16 16 13 16
Clouds           B2 B2 SC B1 B2 B2 B2 B2 SC SC SC SC B1 B1 SC SC CL CL CL CL SC
PoP 12hr                     60          60          50          40          20
QPF 12hr                   0.31        0.89        0.21        0.20        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       NM SC IS SC NM NM NM NM SC SC SC SC SC SC IS IS             IS
Tstms            IS                IS IS
Obvis                                                       H  H  H  H  H  H  H
Heat index       88 85 81 83 92 96 97 94 88 85 82 84 93 98 98 95 88 85 80 83 91
Max heat         98    91    95   102   101    92    96   104   102    91    95


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      78    87      79    87      78    87      79    88
Temp          87 81   78 83 87 82   79 84 87 81   79 84 87 82   79 84 88 82
Dewpt         74 74   74 75 73 74   74 74 74 74   74 75 74 75   75 75 75 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B1 B1 SC SC   B2 B1 SC SC   SC B1 B1 B1   B2 B1 SC SC
PoP 12hr         40      40    50      50    30      40    60      60    20
Rain shwrs    IS SC   SC SC SC SC   SC SC IS IS   SC SC SC NM   NM NM IS IS

$$
VIZ001-160800-
St.Thomas...St. John...and Adjacent Islands-
Including the cities of Anna`s Retreat, Charlotte Amalie,
Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 79 82    83 86 92    71 79 82    83 86 92    71 78 82
Temp             81 80 79 79 83 85 86 84 81 80 79 79 83 85 86 84 81 80 78 79 83
Dewpt            76 76 76 76 76 76 76 77 76 77 76 76 77 77 76 77 76 76 76 75 75
RH               85 88 91 91 80 75 72 80 85 91 91 91 82 77 72 80 85 88 94 88 77
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         23 23 23 20 20 20 19 19 19 20 20 19 20 19 18 17 17 17 16 14 14
Clouds           B2 B1 SC B1 B2 B2 B2 B2 SC SC SC SC B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     50          60          50          40          10
QPF 12hr                   0.32   0.72-0.78        0.21   0.20-0.35        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC NM SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS
Tstms                              IS IS
Obvis                                                       H  H  H  H  H  H  H
Heat index       87 84 82 83 90 94 96 93 87 84 82 84 91 95 96 94 87 84 81 83 90
Max heat        101    93    99   106   106    92   100   107   107    93    98


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      78    86      79    86      78    86      79    86
Temp          85 81   78 83 86 81   79 83 86 81   78 83 86 81   79 83 86 81
Dewpt         75 75   75 75 74 75   75 75 75 75   75 75 75 76   76 75 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B1 B1 SC FW   B1 B1 SC SC   SC SC SC SC   B1 B1 SC SC
PoP 12hr         40      40    40      40    20      30    40      40    20
Rain shwrs    IS SC   SC SC SC SC   SC SC IS IS   IS SC SC SC   SC SC IS IS

$$
VIZ002-160800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 PM AST Tue Jul 15 2025

Date           07/15/25      Wed 07/16/25            Thu 07/17/25            Fri
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                76 79 82    83 87 93    76 79 82    83 87 94    76 79 82
Temp             81 80 79 80 83 86 87 85 81 80 79 80 84 86 87 85 81 80 79 80 84
Dewpt            76 76 76 75 76 76 76 76 76 77 76 76 77 77 76 76 75 76 75 75 75
RH               85 88 91 85 80 72 70 75 85 91 91 88 80 75 70 75 82 88 88 85 74
Wind dir          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         19 20 20 17 17 18 17 17 16 19 17 17 18 19 18 16 14 16 13 12 13
Wind gust           31
Clouds           B1 SC SC B1 B1 B1 B2 B2 SC SC SC SC SC SC SC SC CL CL CL CL SC
PoP 12hr                     50          60          50          30          10
QPF 12hr                   0.27   0.70-0.80        0.19   0.19-0.33           0
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC SC NM NM SC SC SC SC SC SC IS IS             IS
Tstms                              IS IS
Obvis                                                       H  H  H  H  H  H  H
Heat index       88 85 81 84 92 96 97 94 88 86 82 85 93 97 98 94 88 85 81 84 91
Max heat        101    92    98   107   105    92   101   108   106    92    98


Date           07/18  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25  Tue 07/22/25
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      78    87      79    87      79    87      79    87
Temp          87 81   78 83 87 82   79 84 87 81   79 84 87 82   79 84 87 82
Dewpt         75 74   75 75 74 74   75 75 75 74   74 75 75 75   75 76 76 76
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    BZ      GN    BZ      BZ    BZ
Avg clouds    SC SC   B1 B1 SC SC   SC FW FW SC   SC SC SC SC   B1 B1 SC SC
PoP 12hr         40      40    20      10    10      20    40      40    20
Rain shwrs    IS SC   SC SC IS IS   IS IS IS IS   IS IS IS SC   SC SC IS IS

$$