Area Forecast Matrices
Issued by NWS San Juan, PR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3
380
FOCA52 TJSJ 012102
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
502 PM AST Mon Sep 1 2025

PRZ001-020800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                74 78 82    82 89 92    73 77 82    82 89 92    72 76 82
Temp             81 79 78 77 84 88 89 84 81 79 78 77 84 88 89 83 80 78 77 77 84
Dewpt            76 76 76 75 76 77 77 77 76 76 76 76 77 77 77 77 75 76 75 75 76
RH               85 91 94 94 77 70 68 80 85 91 94 97 80 70 68 82 85 94 94 94 77
Wind dir         SE SE SE SE SE  E  E SE SE SE SE SE SE  E  E  E  E SE SE  E  E
Wind spd          6  5  4  6  6 10 13 12  8  6  5  4  8 12 13 10  6  6  5  5  8
Clouds           SC B1 SC B1 FW SC B1 B1 FW FW SC SC SC SC B1 B1 FW FW SC SC FW
PoP 12hr                     40          60          40          50          20
QPF 12hr              0.08-0.26   0.10-0.80   0.09-0.17   0.13-0.67   0.01-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC SC SC IS IS SC SC IS IS SC SC SC SC SC SC IS IS IS IS IS
Tstms                              IS IS                   IS IS
Heat index       85 81       93100101 93 86 83 80    93100101 92 85 81       92
Max heat         98    92    99   109   108    92    99   110   108    91    98


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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      76    88      76    88      76    87      76    89
Temp          89 80   77 83 88 80   77 83 88 80   77 83 87 79   77 84 89 80
Dewpt         75 74   75 76 77 76   76 77 77 76   76 77 76 75   75 76 76 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW SC SC B1   SC SC B1 B1   SC SC SC SC   FW SC SC B1
PoP 12hr         20      20    50      30    70      30    50      20    70
Rain shwrs    IS IS   IS IS IS SC   SC SC SC NM   SC SC SC SC   IS IS NM NM
Tstms                       IS IS         IS IS         IS IS         IS IS

$$
PRZ002-020800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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    74 87 92    65 75 82    74 87 93    65 75 82
Temp             80 78 77 76 83 86 87 82 79 77 76 76 82 86 87 82 79 77 76 76 82
Dewpt            74 75 75 75 75 76 76 76 75 76 75 75 75 76 75 76 74 75 74 74 75
RH               82 91 94 97 77 72 70 82 88 97 97 97 79 72 68 82 85 94 94 94 79
Wind dir          E  E  E  E  E SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd          6  6  8  8  9 10 11  9  8  8  8  8 11 12 12 10  9  9  9  8  8
Wind gust                             19
Clouds           SC B1 B1 B2 B1 SC SC SC CL SC SC SC SC SC B1 B1 SC SC B1 B1 SC
PoP 12hr                     50          50          50          40          40
QPF 12hr              0.17-0.27   0.08-0.82   0.12-0.18   0.16-0.67   0.08-0.18
Snow 12hr                    MM          MM          MM
Rain shwrs       SC SC SC SC SC IS SC SC    SC SC SC SC SC SC SC SC SC SC SC SC
Tstms                              IS IS
Heat index       84 81       90 97 98 90 83          90 96 97 90 82          89
Max heat         99    92    99   109   108    93    98   109   108    92    97


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    87      76    87      76    86      76    87
Temp          87 79   76 82 87 79   76 82 87 79   76 82 86 79   76 82 87 80
Dewpt         73 73   74 75 75 75   75 76 76 75   75 75 75 74   74 75 74 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC   SC SC SC B1   SC SC B1 B1   SC SC B1 B1   SC SC B1 B1
PoP 12hr         30      20    60      50    70      50    60      30    70
Rain shwrs    SC IS   IS IS IS SC   SC SC NM NM   SC SC SC SC   SC SC NM NM
Tstms                       IS IS         IS IS         IS IS         IS IS

$$
PRZ003-020800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 77 82    77 87 92    68 76 82    77 87 93    68 75 82
Temp             80 78 77 76 83 86 87 82 79 77 76 76 82 86 87 82 79 77 75 75 82
Dewpt            74 75 74 74 75 75 74 75 74 75 74 74 75 74 74 75 74 74 73 73 74
RH               82 91 90 94 77 70 65 79 85 94 94 94 79 68 65 79 85 90 94 94 77
Wind dir          E  E  E  E  E SE SE SE  E  E  E  E  E  E SE  E  E  E  E NE  E
Wind spd          6  5  6  8  8 10  9 10  6  6  6  6  9 11 10 10  8  8  6  6  8
Wind gust                       21    21                23 21 21
Clouds           SC SC B1 B1 SC CL SC SC CL SC SC SC SC SC SC SC FW FW SC SC SC
PoP 12hr                     40          20          50          40          30
QPF 12hr              0.05-0.19   0.01-0.80   0.06-0.18   0.06-0.18   0.01-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC IS    SC SC    SC SC IS SC SC IS IS IS IS IS IS SC
Tstms                              IS
Heat index       83 80       89 95 96 89 82          89 95 95 88 81          87
Max heat         98    92    98   106   105    92    97   106   105    91    96


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    87      76    87      75    86      75    87
Temp          87 79   76 82 86 79   76 82 87 79   76 81 86 79   76 82 87 79
Dewpt         72 72   73 74 73 74   74 75 74 74   74 74 73 73   74 74 73 72
PWind dir         E       E     E      NE     E      NE     E       E     E
Wind char        GN      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    SC FW   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30      20    30      30    40      40    40      20    30
Rain shwrs    IS IS   IS IS IS IS   SC SC SC SC   SC SC SC IS   IS IS IS IS

$$
PRZ004-020800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 78    76 86 92    68 73 78    76 86 93    68 72 77
Temp             77 75 74 73 81 85 86 80 77 75 74 73 81 85 86 80 76 74 73 72 80
Dewpt            73 74 73 73 75 74 74 75 73 74 73 73 74 75 74 74 72 73 72 72 74
RH               87 97 97100 82 70 68 85 87 97 97100 79 72 68 82 87 97 97100 82
Wind dir         SE  E  E  E SE SE SE SE SE SE SE  E  E SE SE SE  E  E  E  E  E
Wind spd          4  3  3  5  6  9 10  9  4  4  4  4  8 10 10  9  5  4  4  4  5
Clouds           SC SC B1 B1 FW FW B1 SC CL SC SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     40          50          40          40          20
QPF 12hr              0.05-0.22   0.03-0.81   0.03-0.17   0.09-0.65   0.00-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS SC SC    SC SC SC SC SC SC SC IS IS IS IS IS
Tstms                              IS IS
Heat index                   86 93 94 85             85 93 94 84             84
Max heat         96    86    97   107   106    88    98   107   106    86    96


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    85      73    85      73    84      73    86
Temp          86 77   73 80 85 76   73 80 85 76   73 79 84 76   73 80 86 77
Dewpt         72 71   72 74 74 73   73 75 74 73   73 74 73 73   72 74 73 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC FW   FW SC SC SC   SC SC SC B1   SC SC SC SC   SC SC SC B1
PoP 12hr         20      20    30      30    40      30    40      20    50
Rain shwrs    IS IS   IS IS IS SC   SC SC SC SC   SC SC SC SC   IS IS IS SC
Tstms                          IS            IS         IS IS            IS

$$
PRZ005-020800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 76 82    85 89 92    73 76 82    84 89 93    72 75 82
Temp             79 77 76 75 83 88 89 83 80 78 76 76 83 88 89 83 79 77 76 75 83
Dewpt            76 76 75 74 77 78 78 77 76 76 75 75 77 78 78 77 76 75 75 74 77
RH               91 97 97 97 82 72 70 82 88 94 97 97 82 72 70 82 91 94 97 97 82
Wind dir         SE SE SE SE SE  E  E  E SE SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd          5  5  4  5  5 10 12  8  6  6  5  4  5 10 13 11  8  6  5  5  6
Wind gust                          24 20                   24
Clouds           B2 SC SC SC FW FW B1 OV SC CL FW SC FW FW B1 B1 CL CL FW FW FW
PoP 12hr                     60          80          30          30           0
QPF 12hr              0.07-0.18   0.10-1.52   0.01-0.14   0.06-1.21        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       NM IS IS IS    IS NM  D SC    IS IS IS IS SC SC
Tstms            IS                IS IS
Heat index       83          93102103 93 84          93102103 92 82          92
Max heat        100    92   100   113   111    92   100   115   112    92    99


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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      75    88      75    87      75    89
Temp          89 79   76 82 88 79   76 83 88 79   76 82 87 78   75 83 89 79
Dewpt         76 74   74 77 78 76   75 78 78 76   75 77 77 76   75 77 77 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW SC B1
PoP 12hr         30      10    20      10    40      10    50      10    60
Rain shwrs    SC SC   IS IS IS IS   IS IS IS SC   IS IS IS SC   IS IS IS NM
Tstms            IS                          IS         IS IS         IS IS

$$
PRZ006-020800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 73 76    74 83 91    64 72 76    74 83 91    61 71 75
Temp             75 73 72 72 78 82 83 78 75 74 73 72 78 82 83 78 75 73 72 71 78
Dewpt            72 72 71 71 73 73 73 74 72 72 71 71 73 74 73 73 72 72 71 70 72
RH               90 97 97 97 85 74 72 88 90 93 93 97 85 77 72 85 90 97 97 97 82
Wind dir         SE  E  E  E SE SE SE SE SE SE SE  E  E SE SE SE  E  E  E  E  E
Wind spd          3  3  2  4  4  8  8  6  4  4  3  3  4  9 10  8  4  4  3  3  5
Wind gust                       20    19                21    20
Clouds           SC SC SC SC FW CL B1 B1 FW FW FW FW SC SC SC SC CL CL CL CL FW
PoP 12hr                     30          50          20          30           5
QPF 12hr              0.03-0.13   0.01-1.50   0.01-0.10   0.06-0.15           0
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS IS IS       NM SC IS IS    IS IS IS SC SC             IS
Tstms            IS                IS IS
Heat index                   81 87 89 81             81 87 88 80             81
Max heat         94          94   104   103    84    95   105   103          93


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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          83      71    82      71    82      71    81      71    83
Temp          83 75   72 77 82 74   72 78 82 75   72 77 81 74   71 78 83 75
Dewpt         71 70   70 72 73 71   71 73 73 72   71 73 72 71   71 72 72 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   FW FW FW SC   FW FW SC SC   FW FW SC SC   FW FW SC B1
PoP 12hr         30      10    20      10    30      10    50      10    60
Rain shwrs    IS IS   IS IS IS IS   IS IS IS IS   IS IS IS SC   IS IS IS NM
Tstms            IS                                     IS IS         IS IS

$$
PRZ007-020800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                66 76 82    74 87 92    64 76 82    74 87 93    62 75 82
Temp             79 77 76 75 82 86 87 82 79 78 76 76 82 86 87 82 79 77 76 75 82
Dewpt            73 73 72 71 73 73 73 74 73 73 72 72 73 73 73 73 73 73 71 70 72
RH               82 87 87 87 74 65 63 77 82 85 87 87 74 65 63 74 82 87 85 84 72
Wind dir          E  E NE  E  E SE SE SE  E  E  E NE  E SE SE SE  E  E  E NE  E
Wind spd          4  4  4  4  8 10  9  6  6  5  5  4  6 11 11 10  6  6  5  4  6
Wind gust                       21 24 19                24 24 21
Clouds           SC SC SC SC FW CL FW FW CL FW FW FW FW FW SC SC CL CL FW FW FW
PoP 12hr                     20           5          10          20           5
QPF 12hr                   0.03   0.00-0.09   0.00-0.15   0.03-0.76        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS       IS IS    IS IS    IS IS IS IS             IS
Heat index       82          87 93 95 88 83 80       88 93 94 87 82          87
Max heat         96    91    95   105   103    91    96   104   103    91    94


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    87      75    86      75    86
Temp          87 79   76 81 86 78   76 82 87 79   76 81 86 78   75 82 86 79
Dewpt         73 72   69 71 73 73   72 72 73 73   71 72 73 73   71 71 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   FW FW FW SC   FW FW SC SC   FW FW SC SC   FW FW SC SC
PoP 12hr         30       5    20      10    40       5    30      10    30
Rain shwrs    IS IS      IS IS IS   IS IS IS SC   IS IS IS IS      IS IS IS
Tstms                                                      IS

$$
PRZ008-020800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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    85 88 92    71 75 82    84 87 94    70 74 82
Temp             78 76 75 74 82 87 88 82 79 77 76 75 82 86 87 82 78 76 75 74 82
Dewpt            75 75 74 72 74 76 76 76 75 75 74 73 75 76 76 75 75 74 73 72 74
RH               91 97 97 93 77 70 68 82 88 94 94 94 79 72 70 79 91 94 94 93 77
Wind dir         SE SE SE SE  E NE NE  E SE SE SE SE  E  E  E  E SE SE SE  E  E
Wind spd          4  6  5  6  5  5  8  4  3  5  4  4  4  8 10  6  5  5  5  5  8
Wind gust                          18                      21 17
Clouds           B2 SC SC SC FW CL B1 OV SC CL CL CL FW FW B2 B2 FW FW CL CL CL
PoP 12hr                     60          80          30          70           0
QPF 12hr                   0.17        1.52   0.01-0.07   0.11-2.01           0
Snow 12hr                    MM          MM          MM
Rain shwrs       NM IS             SC  D SC          IS IS NM NM
Tstms            IS                IS IS                   IS IS
Heat index       80          88 97 99 90 81          89 97 98 88             89
Max heat         98    92    96   107   106    91    97   109   108    91    97


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    87      74    86      74    87
Temp          88 78   75 81 86 78   75 82 87 78   75 81 86 77   74 81 87 78
Dewpt         75 74   72 75 77 75   74 76 77 75   74 75 76 75   73 74 76 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC   CL FW SC B1   FW FW SC B1   FW FW SC B1   CL FW SC B1
PoP 12hr         50       5    70       5    80      10    60      10    70
Rain shwrs    SC SC         NM NM   IS IS IS  D   IS IS IS NM      IS NM NM
Tstms         IS IS         IS IS         SC SC         IS IS         IS IS

$$
PRZ009-020800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                66 73 76    75 85 92    65 72 76    74 84 93    65 71 75
Temp             76 74 73 72 79 84 85 79 76 74 73 72 79 83 84 79 75 74 72 72 79
Dewpt            72 73 71 70 72 73 74 73 72 73 71 71 73 73 74 72 72 73 71 69 72
RH               87 97 93 93 79 70 70 82 87 97 93 97 82 72 72 79 90 97 97 90 79
Wind dir         SE SE SE SE  E SE SE  E SE SE SE  E  E SE  E SE SE  E  E  E  E
Wind spd          3  3  3  3  4  5  4  2  4  4  4  3  4  6  5  4  4  4  3  3  4
Wind gust                       21 23                   24 24 21
Clouds           B1 SC SC SC FW CL B1 B1 FW CL CL CL FW FW B2 B2 CL CL CL CL CL
PoP 12hr                     50          60           5          60           0
QPF 12hr              0.02-0.18   0.00-1.52   0.00-0.06   0.06-2.01           0
Snow 12hr                    MM          MM          MM
Rain shwrs       SC                NM NM IS          IS IS NM NM
Tstms            IS                IS IS                   IS IS
Heat index                   82 90 91 83             82 89 91 81             82
Max heat         95    84    93   107   105    84    94   107   105    83    95


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    83      72    84      72    83      72    84
Temp          85 76   73 78 83 75   72 79 84 75   72 78 83 75   72 78 84 75
Dewpt         72 71   70 72 74 72   71 73 74 72   71 73 73 72   71 72 73 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   CL CL SC SC   CL FW SC B1   FW FW SC B1   CL FW SC B1
PoP 12hr         60       0    60       0    80       5    70      10    70
Rain shwrs    NM NM         NM NM          D  D   IS IS NM NM      IS IS NM
Tstms         IS IS         IS IS         SC SC         IS IS         IS IS

$$
PRZ010-020800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 76 82    78 90 92    69 75 82    77 89 94    69 74 82
Temp             80 78 76 76 84 88 90 84 80 78 76 76 84 88 89 83 79 77 75 75 84
Dewpt            76 75 74 73 75 76 77 76 75 75 74 74 75 77 77 76 76 75 74 72 75
RH               88 91 94 90 74 68 66 77 85 91 94 94 74 70 68 80 91 94 97 90 74
Wind dir          E  E  E  E  E SE  N  E  E  E  E  E  E SE  E  E  E  E  E  E  E
Wind spd          6  6  5  5  6  4  5  5  4  6  6  5  5  5  5  5  5  8  6  5  6
Wind gust        17       17 19 19 16 16 18 18 19 19 19 20 19 18 18 21 23 21 17
Clouds           B1 SC SC SC FW CL SC B1 SC CL CL CL FW FW B2 B2 FW FW FW FW CL
PoP 12hr                     50          70          10          60           5
QPF 12hr              0.00-0.18   0.00-1.52   0.00-0.06   0.08-2.02   0.00-0.17
Snow 12hr                    MM          MM          MM
Rain shwrs       NM                SC  D SC          IS IS  D  D IS IS
Tstms            IS                IS IS                   IS IS
Heat index       83          91100102 92 83          91100102 91 81          91
Max heat         98    92    98   109   108    92    98   112   109    91    98


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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          90      75    89      75    89      75    89      75    88
Temp          90 80   76 83 88 79   76 83 89 79   76 83 89 79   75 83 88 79
Dewpt         76 75   73 74 77 76   74 76 77 76   74 75 76 75   74 75 76 72
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   FW FW SC SC   CL FW SC B1   FW FW SC B1   FW FW SC B1
PoP 12hr         60       0    70       5    70       5    70      10    60
Rain shwrs    NM NM         NM NM          D  D   IS IS NM NM      IS IS NM
Tstms         IS IS         IS IS         SC SC         IS IS         IS IS

$$
PRZ011-020800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                74 77 82    85 91 92    72 76 82    85 91 94    71 75 82
Temp             80 78 77 76 85 89 91 84 80 78 77 76 85 90 91 84 80 77 76 75 85
Dewpt            75 75 75 74 75 75 75 75 76 75 75 74 75 75 75 75 75 75 74 73 74
RH               85 91 94 94 72 64 60 74 88 91 94 94 72 62 60 74 85 94 94 94 70
Wind dir          E  E  E  E  E SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E
Wind spd          8  8  8  6 10 13 13  9  9 10 10  9  9 14 14 12 12 12  9  5  8
Wind gust              19    21 26 27    19 20 23 19    28 31 26 26 27 20
Clouds           SC SC SC SC FW CL FW FW CL CL FW CL FW FW SC SC FW FW FW FW CL
PoP 12hr                     10           5           5          20           0
QPF 12hr              0.01-0.08   0.00-0.09        0.01   0.02-0.11        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS                         IS    IS IS IS IS
Heat index       85          92100102 93 85          93100102 92 83          92
Max heat         96    91    95   109   107    92    96   109   107    91    94


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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          92      75    90      76    91      76    90      75    91
Temp          92 80   76 84 90 80   77 85 91 80   77 84 90 80   76 84 91 80
Dewpt         75 75   71 71 75 75   73 74 75 76   73 73 75 75   73 73 75 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW   CL CL FW FW   FW FW FW FW   CL FW FW FW   CL FW FW SC
PoP 12hr         20       0    10       5    20       5    20      10    20
Rain shwrs    IS IS         IS IS   IS IS IS IS         IS IS      IS IS IS

$$
PRZ012-020800-
Culebra-
Including the city of Culebra
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                      79    84 88 92    75 78 82    85 88 92    76 79 82
Temp             81 80 79 78 84 87 87 84 81 80 79 79 84 87 88 84 82 80 79 79 85
Dewpt            76 77 77 77 77 78 77 78 77 78 77 77 77 78 77 78 77 77 76 76 76
RH               85 91 94 97 80 75 72 82 88 94 94 94 80 75 70 82 85 91 91 91 75
Wind dir          E  E  E  E SE SE SE SE  E  E  E  E  E  E SE  E  E  E  E  E  E
Wind spd         12 13 13 14 14 13 12 12 13 14 14 16 16 17 16 13 14 14 14 13 14
Clouds           SC SC B1 B1 SC SC FW FW FW FW SC FW SC SC SC SC B1 B1 B1 B1 SC
PoP 12hr                     50          20          50          50          40
QPF 12hr                   0.14        0.04   0.08-0.14        0.21        0.18
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS IS IS SC IS SC SC SC SC SC SC SC SC SC
Heat index       89 85 82 81 93 99100 94 88 85 81 81 94 99 99 94 89 86 82 82 93
Max heat         98    92    97   106   105    93    98   107   106    93    97


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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      79    89      78    89      79    87      78    88
Temp          88 82   79 84 88 82   79 84 88 82   79 84 87 81   79 84 88 82
Dewpt         76 76   77 77 78 78   78 78 78 77   77 77 76 77   77 77 77 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      BZ    BZ      BZ    BZ      GN    BZ
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC B1 B2 B2   SC SC SC SC
PoP 12hr         30      20    50      50    50      60    60      50    50
Rain shwrs    SC IS   IS IS SC SC   SC SC SC SC   SC NM NM NM   SC SC SC SC
Tstms                       IS IS                       IS IS

$$
PRZ013-020800-
Vieques-
Including the city of Vieques
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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    85 88 91    74 77 82    85 88 92    76 78 82
Temp             81 80 79 78 84 87 88 83 80 79 78 78 84 87 88 84 81 80 79 79 85
Dewpt            75 76 76 76 76 76 75 76 75 76 76 76 76 76 75 76 75 76 75 75 75
RH               82 88 91 94 77 70 66 80 85 91 94 94 77 70 66 77 82 88 88 88 72
Wind dir          E  E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 13 13 14 14 12 12 11 12 13 13 14 16 17 14 12 14 14 13 13 14
Clouds           SC SC B1 B2 SC FW SC SC FW SC SC FW SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     50          30          50          50          40
QPF 12hr                   0.18   0.02-0.15   0.06-0.18        0.18        0.17
Snow 12hr                    MM          MM          MM
Rain shwrs       SC IS SC SC SC IS IS SC IS IS SC IS SC SC IS IS SC SC SC SC SC
Tstms                              IS
Heat index       87 84 80    93 98 98 92 86 81       92 98 98 93 87 84 81 81 93
Max heat         96    92    96   103   101    92    95   103   101    91    96


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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      78    89      78    89      78    88      78    88
Temp          89 81   79 84 89 81   79 84 88 81   78 84 88 81   78 84 88 81
Dewpt         74 74   76 76 75 76   77 77 76 75   76 76 75 75   75 76 74 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      BZ    BZ      BZ    BZ      GN    BZ
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   SC B1 B2 SC   SC SC B1 B1
PoP 12hr         30      20    50      50    50      60    60      50    60
Rain shwrs    SC IS   IS IS SC SC   SC SC SC SC   SC NM NM SC   SC SC SC SC
Tstms                       IS IS                          IS         IS IS

$$
VIZ001-020800-
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 Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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 78 82    82 84 90    71 78 82    83 85 91    70 77 82
Temp             80 79 78 77 81 84 84 82 80 79 78 78 82 84 85 82 80 78 78 77 82
Dewpt            76 77 76 76 77 77 76 77 76 77 77 76 77 76 76 76 75 76 76 75 75
RH               88 94 94 97 88 80 77 85 88 94 97 94 85 77 75 82 85 94 94 94 79
Wind dir          E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 14 16 16 16 14 12 12 13 16 16 16 18 17 13 14 14 16 14 13 14
Clouds           SC SC B1 B1 SC FW SC SC FW FW SC FW SC SC SC SC B1 B1 B1 B1 SC
PoP 12hr                     40          20          50          50          40
QPF 12hr                   0.10   0.02-0.10   0.06-0.12   0.14-0.20        0.16
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS IS IS IS    SC SC SC SC SC SC SC SC IS
Heat index       84 81 80    88 93 93 88 84 82 80 80 90 94 94 89 83 80       88
Max heat         96    92    96   102   102    93    98   103   102    92    96


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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    85      78    86      78    85      77    86
Temp          85 80   78 82 85 80   78 83 86 80   79 82 85 79   77 82 86 81
Dewpt         75 75   76 76 77 77   77 77 77 76   76 76 75 76   76 76 76 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         20      20    50      50    50      60    60      50    50
Rain shwrs    IS IS   IS IS SC SC   SC SC SC IS   SC NM NM SC   SC SC SC SC
Tstms                       IS IS                       IS IS

$$
VIZ002-020800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
502 PM AST Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
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                      81    85 88 92    77 79 83    85 88 94    76 78 82
Temp             83 81 80 80 85 87 88 84 82 80 80 79 84 87 88 84 81 80 79 78 84
Dewpt            76 77 77 77 77 77 77 77 76 77 76 77 77 77 76 77 76 76 76 75 75
RH               80 88 91 91 77 72 70 80 82 91 88 94 80 72 68 80 85 88 91 91 74
Wind dir          E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         11 13 12 13 13 13 12 11 10 12 12 12 16 16 14 13 11 13 13 13 13
Clouds           SC SC B1 B1 SC SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW
PoP 12hr                     40          10          30          30          30
QPF 12hr                   0.11   0.01-0.11        0.06        0.14        0.08
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS SC SC IS IS IS IS IS IS IS IS SC SC IS IS SC SC IS IS IS
Heat index       91 89 86 85 94 99 99 94 89 86 83 83 94 98 99 93 87 84 80 80 92
Max heat        101    94   100   107   106    93   100   109   107    91    98


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
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      78    87      79    87      78    87      78    87
Temp          88 81   79 83 87 82   79 84 87 81   79 83 87 81   78 83 87 82
Dewpt         76 76   76 76 77 77   77 77 77 76   76 76 76 76   76 76 76 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW SC   SC SC SC SC   SC SC SC B1   B2 B1 SC SC   SC SC SC SC
PoP 12hr         20      20    50      50    60      60    40      50    50
Rain shwrs    IS IS   IS IS SC SC   SC SC SC NM   NM NM IS SC   SC SC SC SC
Tstms                       IS IS                       IS IS

$$