Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 220631
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
231 AM AST Tue Sep 22 2026

PRZ001-222000-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                83 90 92    73 77 83    84 91 92    73 77 83    84 90 91
Temp          77 85 89 90 84 81 79 78 77 85 90 91 85 81 79 78 77 85 89 90 85 81
Dewpt         75 77 76 76 76 76 76 75 75 76 76 76 76 76 76 76 75 76 77 77 77 76
RH            94 77 66 64 77 85 91 91 94 75 64 62 75 85 91 94 94 75 68 66 77 85
Wind dir      SE SE  E  E  E SE SE SE SE SE  E  E  E SE SE  E SE  E  E  E SE SE
Wind spd       4  5 10 11 10  6  4  5  4  6 12 14 12  8  5  5  4  6 11 14 12  6
Clouds        FW SC SC B2 B2 CL FW SC FW FW SC SC SC SC SC FW FW SC SC B1 B1 SC
PoP 12hr                     60          30          30          20          40
QPF 12hr              0.38-1.12   0.01-0.07        0.09   0.03-0.08   0.18-0.75
Snow 12hr                    MM          MM          MM
Rain shwrs    IS SC SC SC NM    IS SC IS IS IS SC SC IS IS IS IS IS IS SC SC SC
Tstms                  IS IS                                           IS IS
Heat index       94101102 94 87 83       95102103 95 87 83       94102103 95 88
Max heat        100   107   106    93   100   109   108    94   100   107   107


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    91      77    91      77    90      77    88
Temp          78 85 91 81   78 85 91 81   78 85 90 81   78 84 88 81
Dewpt         76 77 76 76   75 77 76 76   75 77 77 76   76 77 77 76
PWind dir        SE    SE      SE     E      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   FW FW FW FW   CL FW SC SC   SC SC SC SC
PoP 12hr         30    20       5     5      30    30      30    30
Rain shwrs    SC SC IS IS   IS IS IS IS      SC SC IS   IS IS IS IS
Tstms                  IS

$$
PRZ002-222000-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 88 92    67 78 83    75 88 92    67 77 83    75 88 91
Temp          78 83 87 88 83 81 79 78 78 84 87 88 84 81 79 78 77 83 87 88 84 81
Dewpt         74 75 74 74 74 74 74 74 74 75 74 74 75 74 75 74 74 75 75 74 75 74
RH            88 77 65 63 74 79 85 88 88 74 65 63 74 79 88 88 90 77 68 63 74 79
Wind dir       E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E
Wind spd       5  6 10 10  9  6  8  8  6  9 11 12 10  8  6  6  5  8 11 10  9  8
Wind gust                                      23                      21 19
Clouds        SC SC SC B1 B2 CL SC SC SC B1 FW SC SC SC SC SC SC B1 B1 B1 B1 B1
PoP 12hr                     50          40          40          40          50
QPF 12hr              0.31-1.04   0.04-0.10        0.10   0.07-0.19   0.22-0.82
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC    SC SC SC SC IS SC SC IS IS SC SC SC SC SC SC SC
Tstms                  IS IS                                           IS IS
Heat index    80 91 95 96 90 86 83 81 80 91 96 97 91 86 82 80    91 96 97 91 86
Max heat         98   105   104    92    98   106   105    92    98   106   104


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    88      78    88      78    88      78    87
Temp          78 84 88 81   79 84 88 81   79 84 88 81   78 83 87 80
Dewpt         74 75 74 74   74 75 74 74   74 75 75 74   74 75 75 74
PWind dir         E    SE       E     E       E     E       E     E
Wind char        GN    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1 B1 B1   SC SC SC FW   FW SC B1 B1   B1 B1 B1 B1
PoP 12hr         50    40      30    20      40    40      50    50
Rain shwrs    SC SC SC SC   SC IS IS IS   IS SC SC SC   SC SC SC SC
Tstms               IS IS

$$
PRZ003-222000-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                77 87 92    69 77 83    78 88 92    68 76 83    78 88 91
Temp          77 83 86 87 83 80 79 78 77 83 87 88 83 80 78 77 76 83 87 88 83 80
Dewpt         74 75 76 75 76 74 74 74 73 75 75 75 76 75 75 74 74 75 76 75 76 75
RH            90 77 72 68 80 82 85 88 87 77 68 66 80 85 91 90 94 77 70 66 80 85
Wind dir       E  E  E SE  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E SE SE  E
Wind spd       5  6 10  9  6  5  5  6  6  8 11 12 10  6  5  5  5  6 10 10 10  6
Wind gust           20 20                   24 25 21                21 20 21
Clouds        SC SC SC B1 B1 CL SC SC SC SC CL SC SC FW FW B1 B1 SC SC SC SC B1
PoP 12hr                     40          30          20          40          40
QPF 12hr              0.13-0.39   0.01-0.09   0.02-0.07   0.02-0.19   0.05-0.23
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC    IS SC IS SC    IS IS       SC SC IS IS IS IS SC
Heat index       90 96 97 91 84 81       91 97 98 91 84 81       90 97 98 91 85
Max heat        100   108   107    92    99   109   108    92    99   108   107


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    88      77    88      77    88      77    86
Temp          78 83 88 80   78 84 88 80   78 83 88 80   78 82 86 80
Dewpt         75 76 75 75   74 75 75 74   75 76 75 75   75 76 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B1 B1 SC SC   SC SC SC FW   CL FW SC SC   B1 B1 B1 SC
PoP 12hr         40    30      20    20      30    40      50    50
Rain shwrs    SC SC IS IS   IS IS IS IS      SC SC SC   SC SC SC IS

$$
PRZ004-222000-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                77 86 92    69 74 77    79 87 92    69 74 77    77 87 91
Temp          74 81 85 86 81 78 76 75 74 82 86 87 81 78 76 75 74 81 86 87 81 78
Dewpt         72 74 74 73 73 73 73 72 72 74 74 73 74 73 73 73 72 74 74 74 74 73
RH            93 79 70 65 77 85 90 90 93 77 68 63 79 85 90 94 93 79 68 65 79 85
Wind dir      SE SE SE SE SE  E  E  E  E  E  E SE  E  E  E  E  E  E  E SE SE  E
Wind spd       3  5  9  9  8  4  3  4  3  5 10 11 10  4  3  4  4  5 10 10  9  4
Clouds        SC SC SC B1 B2 CL SC SC SC SC FW SC SC SC SC FW FW SC SC B1 B1 B1
PoP 12hr                     50          30          20          20          40
QPF 12hr              0.22-1.11   0.01-0.09   0.03-0.11   0.02-0.14   0.11-0.60
Snow 12hr                    MM          MM          MM
Rain shwrs    IS SC SC SC SC    IS SC IS IS IS IS IS IS IS IS IS IS IS SC SC SC
Tstms                  IS IS
Heat index       87 93 94 86             88 94 95 87 80          87 94 95 87 80
Max heat         98   107   105    86    98   106   105    87    96   105   104


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    87      74    87      74    87      74    84
Temp          75 82 87 78   75 82 87 78   75 81 87 78   75 80 84 77
Dewpt         73 75 73 73   73 74 73 73   73 75 74 73   73 75 73 73
PWind dir         E    SE       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    LT      LT    GN
Avg clouds    B1 B1 SC SC   SC SC SC FW   CL FW SC SC   SC SC B1 SC
PoP 12hr         40    20      20    10      40    40      40    40
Rain shwrs    SC SC IS IS   IS IS IS IS      SC SC IS   SC SC SC IS

$$
PRZ005-222000-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                84 89 92    72 75 83    85 90 92    72 75 83    85 90 91
Temp          75 84 88 89 83 80 77 76 75 84 89 90 84 80 78 76 75 84 89 90 84 80
Dewpt         74 77 77 77 77 76 75 74 73 77 77 77 77 76 75 75 74 77 77 78 77 76
RH            97 80 70 68 82 88 94 94 94 80 68 66 80 88 91 97 97 80 68 68 80 88
Wind dir      SE SE  E NE  E SE SE SE SE SE  E NE  E SE SE SE SE  E  E  E  E SE
Wind spd       4  4  8 10  8  6  5  5  4  5 11 13 10  8  5  4  4  5  8 13  6  6
Wind gust              20                      26 21                   25 20
Clouds        FW FW SC B1 B2 SC CL FW FW CL CL B1 B1 SC SC CL CL FW FW B1 B1 SC
PoP 12hr                     60          10          40          20          40
QPF 12hr              0.18-1.40        0.02   0.07-0.57        0.04   0.16-1.14
Snow 12hr                    MM          MM          MM
Rain shwrs       IS SC SC NM IS    IS          SC SC IS IS       IS IS SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       93100102 93 83          93102103 93 84          93102103 93 84
Max heat         99   107   106    94   100   109   108    94   100   107   107


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    90      75    90      75    90      75    88
Temp          76 84 90 80   76 84 90 80   76 84 90 80   76 83 88 79
Dewpt         75 77 77 76   74 77 77 76   75 77 78 76   75 77 78 76
PWind dir        SE     E      SE     E      SE     E      SE     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC SC   CL CL FW SC   FW FW FW SC   FW FW SC SC
PoP 12hr         10    40       0    30       0    30      10    30
Rain shwrs    IS IS IS SC         SC SC         IS SC      IS IS IS
Tstms               IS IS

$$
PRZ006-222000-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 84 91    63 72 76    75 85 92    63 72 76    75 84 91
Temp          72 79 83 84 79 76 74 73 72 79 84 85 79 76 74 73 72 79 83 84 79 76
Dewpt         71 73 74 74 73 72 72 71 70 73 73 72 73 72 72 72 71 73 74 73 73 72
RH            97 82 74 72 82 87 93 93 93 82 70 65 82 87 93 97 97 82 74 70 82 87
Wind dir      SE SE SE SE SE  E  E  E  E  E  E SE SE  E  E  E  E  E  E SE SE SE
Wind spd       2  3  6  5  3  3  3  3  3  4  9 10  8  4  3  3  3  4  8  9  8  4
Wind gust           20 19                   23 23 20                20 19 20
Clouds        FW FW SC B2 B2 FW CL FW FW CL CL SC SC FW FW CL CL SC SC B1 B1 SC
PoP 12hr                     70          10          30           5          40
QPF 12hr              0.19-1.55        0.01   0.05-0.14        0.02   0.07-0.98
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS SC NM NM IS    IS          SC SC IS IS       IS IS SC SC IS
Tstms                  IS IS                                           IS IS
Heat index       82 89 90 82             83 90 91 83             83 90 91 83
Max heat         97   108   106    85    98   109   108    85    97   107   106


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          72    84      72    85      72    84      72    82
Temp          73 79 84 76   73 80 85 76   73 79 84 76   73 78 82 75
Dewpt         72 73 72 72   71 73 72 72   72 73 73 72   72 73 73 72
PWind dir        SE    SE       E    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW FW FW SC   FW FW SC SC   FW SC SC SC
PoP 12hr         20    30       5    30       5    20      20    40
Rain shwrs    IS IS IS IS   IS IS IS SC      IS IS IS   IS IS IS SC
Tstms                  IS

$$
PRZ007-222000-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 87 92    63 75 83    75 88 92    63 75 83    75 87 91
Temp          75 82 86 87 82 79 77 76 75 82 87 88 82 79 77 76 75 82 86 87 82 79
Dewpt         72 73 75 75 75 74 73 71 71 73 74 74 75 74 73 72 71 73 75 74 75 74
RH            90 74 70 68 79 85 87 85 87 74 65 63 79 85 87 87 87 74 70 65 79 85
Wind dir       E  E SE SE SE  E  E  E NE  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd       4  4 10  8  5  4  5  4  4  5 11 10  8  5  5  3  4  5 10 10  9  5
Wind gust           23 20    14             24 24 20 16             24 24 21 16
Clouds        SC SC SC B1 B1 SC CL FW FW CL CL SC SC FW FW FW FW FW FW SC SC SC
PoP 12hr                     40          10          30           0          30
QPF 12hr              0.13-2.10        0.02        0.06   0.00-0.06   0.04-0.79
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS SC SC SC IS    IS          SC SC       IS IS IS IS IS IS IS
Tstms                  IS IS
Heat index       88 95 96 89 82          88 95 96 89 83          88 95 96 89 83
Max heat         96   108   106    92    96   106   105    92    95   106   105


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    87      76    88      75    87      76    86
Temp          76 83 87 79   77 83 88 79   76 82 87 79   76 82 86 79
Dewpt         72 73 74 74   72 73 74 73   72 73 74 74   72 73 74 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC FW SC   FW FW FW FW   FW FW FW SC   FW FW SC SC
PoP 12hr         20    20       0     5       5    20      20    40
Rain shwrs    IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS SC SC

$$
PRZ008-222000-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 88 92    70 74 83    85 88 92    70 74 83    85 88 91
Temp          74 82 86 88 82 78 76 75 74 82 87 88 82 78 76 75 74 82 87 88 82 78
Dewpt         72 75 76 77 76 76 75 73 72 75 76 76 76 75 75 73 72 75 76 77 76 76
RH            93 79 72 70 82 94 97 94 93 79 70 68 82 91 97 94 93 79 70 70 82 94
Wind dir      SE  E NE NE  E SE SE SE SE  E  E NE  E SE SE SE  E  E  E NE NE SE
Wind spd       3  4  4  6  5  8  5  5  5  6  9 10  8  4  4  3  4  5  5 10  4  4
Wind gust              17                      23 18                   20
Clouds        CL CL SC B1 B2 B1 FW FW FW CL CL B2 B2 B1 B1 CL CL FW FW B2 B2 SC
PoP 12hr                     50          40          50          30          70
QPF 12hr              0.24-1.58   0.04-0.11   0.23-0.58        0.06   0.79-1.17
Snow 12hr                    MM          MM          MM
Rain shwrs          SC SC SC SC IS             SC SC SC SC             NM NM IS
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       88 97 99 88 80          89 97 99 89 80          89 98100 89 80
Max heat         95   107   105    93    95   109   106    92    95   107   105


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    88      74    88      74    88      74    86
Temp          75 82 88 78   75 82 88 78   75 82 88 78   75 81 86 78
Dewpt         73 75 76 76   73 74 76 76   73 75 77 76   73 75 77 76
PWind dir        SE     E      SE     E      SE     E      SE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC FW SC SC   CL CL FW SC   SC FW SC B1   FW FW SC SC
PoP 12hr         10    50       0    40      10    50      10    40
Rain shwrs    IS IS SC SC         SC SC   IS IS SC SC      IS SC SC
Tstms               IS IS                       IS IS

$$
PRZ009-222000-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                75 84 92    66 72 76    75 85 92    66 72 76    75 85 91
Temp          72 79 83 84 79 76 74 73 72 80 84 85 79 76 74 73 72 79 84 85 79 76
Dewpt         70 73 74 75 73 72 72 71 69 72 73 74 73 72 72 71 70 72 74 74 73 72
RH            93 82 74 74 82 87 93 93 90 77 70 70 82 87 93 93 93 79 72 70 82 87
Wind dir      SE SE  E  E SE SE  E SE SE  E  E  E  E SE  E  E  E  E SE  E  E SE
Wind spd       3  3  4  3  2  3  3  3  3  3  6  4  3  4  3  3  3  3  5  5  3  3
Wind gust           21 19 12                23 23 16                24 21 20 14
Clouds        FW FW SC OV OV B1 FW FW FW CL CL B1 B1 SC SC CL CL FW FW B2 B2 SC
PoP 12hr                     80          40          30          10          70
QPF 12hr              0.83-2.43   0.02-0.09   0.06-0.57        0.02   0.16-1.17
Snow 12hr                    MM          MM          MM
Rain shwrs          SC  D  D SC IS             SC SC IS IS             NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Heat index       82 90 92 82             83 91 92 83             83 91 92 83
Max heat         95   108   106    84    94   109   108    85    94   108   106


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

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

$$
PRZ010-222000-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                76 90 92    68 75 83    77 90 92    68 75 83    76 90 91
Temp          76 84 88 90 83 79 77 76 75 84 89 90 84 79 77 76 75 83 88 90 83 80
Dewpt         73 75 76 77 77 76 75 74 72 75 76 77 76 76 75 74 72 75 77 77 77 76
RH            90 74 68 66 82 91 94 94 90 74 66 66 77 91 94 94 90 77 70 66 82 88
Wind dir       E  E  E  N  E  E  E  E  E  E  E NE  E  E  E  E  E  E SE  E  E  E
Wind spd       5  5  4  5  4  5  5  5  5  4  5  6  6  4  5  4  5  5  5  5  6  4
Wind gust     16 17 17          16    18 18 18 17    16 16       17 17 18 17 18
Clouds        FW FW SC OV OV B1 SC FW FW CL CL B1 B1 SC SC CL CL CL CL B2 B2 SC
PoP 12hr                     80          40          40          20          60
QPF 12hr              0.11-2.46   0.04-0.17   0.05-0.58   0.01-0.07   0.04-1.18
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS SC  D  D SC IS SC          SC SC IS IS             NM NM IS
Tstms                  IS IS IS                IS IS                   IS IS
Heat index       92100102 92 83          92100102 93 83          91101102 93 84
Max heat         99   107   106    93    98   109   108    92    97   107   107


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    90      75    90      75    90      75    88
Temp          76 84 90 80   76 84 90 80   76 84 90 80   76 83 88 79
Dewpt         74 75 77 76   74 75 76 76   74 75 77 76   74 75 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   CL CL FW SC   SC FW FW SC   FW FW SC B1
PoP 12hr         10    50       0    40      10    50      10    50
Rain shwrs    IS IS SC SC         SC SC   IS IS SC SC   IS IS SC SC
Tstms               IS IS                       IS IS

$$
PRZ011-222000-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 91 92    73 76 83    85 91 92    73 76 83    85 90 91
Temp          77 85 90 91 85 80 78 77 76 85 90 91 85 81 79 77 76 84 89 90 85 81
Dewpt         73 75 77 77 78 76 75 74 72 75 77 77 77 77 76 74 73 75 78 78 77 77
RH            87 72 66 64 80 88 91 90 87 72 66 64 77 88 91 90 90 74 70 68 77 88
Wind dir       E  E SE SE  E  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd       8  8 12 11  8  6  8  8  6  6 13 14 10  8  9  8  6  8 14 14 11 10
Wind gust     19 18 25 24          19       27 28 23 18             27 29 24 23
Clouds        SC SC FW B1 B2 SC FW FW FW CL CL SC SC FW FW CL CL FW FW SC SC SC
PoP 12hr                     60          10          30           5          20
QPF 12hr              0.28-2.33   0.02-0.07        0.06        0.01   0.05-0.70
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS SC SC IS IS             SC SC IS IS             IS IS IS
Tstms                  IS IS
Heat index       94103105 95 86 80       93102104 95 87 81       93103104 95 88
Max heat         96   108   106    93    96   109   108    93    96   108   107


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    91      77    91      77    91      77    91
Temp          78 85 91 81   78 85 91 81   77 85 91 81   78 85 91 81
Dewpt         74 75 77 77   74 75 77 76   74 75 78 77   74 75 77 77
PWind dir         E    SE       E    SE       E     E       E    SE
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC FW FW   CL FW FW FW   SC FW FW SC   FW FW SC SC
PoP 12hr         20    10       0     5       5    10      20    40
Rain shwrs    IS IS IS IS            IS   IS IS IS IS      IS SC SC

$$
PRZ012-222000-
Culebra-
Including the city of Culebra
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 88 92          82    85 88 92          81    85 88 91
Temp          82 85 87 88 85 84 83 82 82 85 87 88 85 83 82 81 81 85 87 88 85 84
Dewpt         75 76 75 75 76 75 76 75 75 76 76 76 76 76 76 76 76 76 76 76 76 76
RH            79 75 68 66 75 74 80 79 79 75 70 68 75 80 82 85 85 75 70 68 75 77
Wind dir       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd      11 12 12 10  9 11 16 14 13 13 14 14 13 13 12 11 11 12 13 12 13 13
Clouds        SC SC SC B1 B1 FW SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC B2
PoP 12hr                     40          30          30          40          50
QPF 12hr                   0.23        0.11        0.09        0.16        0.20
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC IS SC SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC
Tstms                     IS
Heat index    88 95 97 97 94 92 90 89 88 95 98 98 95 91 90 88 88 94 98 98 95 92
Max heat         99   105   104    94    99   106   105    95   100   105   104


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          82    88      82    88      82    88      82    87
Temp          82 85 88 84   82 86 88 84   82 85 88 84   82 85 87 84
Dewpt         76 76 76 76   76 76 76 76   76 77 76 76   76 77 76 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 B1 B1   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr         50    40      30    30      40    40      40    50
Rain shwrs    SC SC SC SC   IS SC SC IS   IS SC SC SC   SC SC SC SC
Tstms               IS IS

$$
PRZ013-222000-
Vieques-
Including the city of Vieques
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 89 92          81    85 89 92    77 80 83    85 89 91
Temp          81 85 88 89 85 83 82 81 81 85 88 89 85 83 81 80 80 85 88 89 85 83
Dewpt         74 75 74 73 74 74 75 74 74 75 75 74 75 74 75 75 75 76 75 74 75 74
RH            79 72 63 59 70 74 79 79 79 72 66 61 72 74 82 85 85 75 66 61 72 74
Wind dir       E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd      10 11 11 10  9 11 16 13 12 14 13 13 12 13 11 11 10 12 12 11 11 13
Clouds        SC SC SC SC SC FW SC SC SC B1 CL SC SC SC SC B2 B2 B1 B1 SC SC B2
PoP 12hr                     40          40          40          50          50
QPF 12hr              0.17-0.24        0.11        0.10        0.18   0.14-0.22
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC IS SC SC SC SC    SC SC IS IS SC SC SC SC IS IS SC
Heat index    86 94 97 97 93 90 89 87 86 94 97 98 93 89 87 85 84 94 97 98 94 90
Max heat         97   102   101    92    98   103   102    93    97   102   101


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    89      81    89      81    89      81    88
Temp          81 86 89 83   81 86 89 83   81 85 89 83   81 85 88 83
Dewpt         75 76 74 74   75 76 74 74   75 76 75 75   75 76 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 B1 B1   SC SC SC SC   FW SC B1 B1   B1 B1 B1 B1
PoP 12hr         50    40      20    20      40    40      50    50
Rain shwrs    SC SC SC SC   IS IS IS IS   IS SC SC SC   SC SC SC SC
Tstms               IS IS

$$
VIZ001-222000-
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
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                84 87 92    73 81 83    85 87 92    72 80 83    85 87 91
Temp          81 84 86 87 84 83 82 81 81 84 86 87 84 82 81 80 80 84 86 87 84 83
Dewpt         75 75 74 74 74 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75
RH            82 74 68 65 72 77 79 82 82 74 70 68 74 79 82 85 85 74 70 68 74 77
Wind dir       E  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 10 14 16 14 14 14 14 14 14 14 13 12 12 13 14 13 12 14
Clouds        SC SC SC SC B1 SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC B2
PoP 12hr                     30          30          30          30          50
QPF 12hr                   0.17        0.11        0.09        0.15        0.15
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC IS SC SC SC IS IS IS IS SC SC SC SC SC SC IS IS SC
Heat index    86 92 95 95 92 89 88 87 87 93 96 96 92 89 87 86 85 92 95 96 92 90
Max heat         99   104   104    93    99   105   105    93    98   103   102


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    87      81    87      81    87      81    86
Temp          81 84 87 83   81 85 87 83   81 84 87 83   81 84 86 83
Dewpt         75 76 75 75   76 76 75 75   76 76 75 76   76 76 75 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2 B1 B1 SC   FW FW SC SC   SC SC SC FW   SC SC SC SC
PoP 12hr         50    40      20    20      40    40      30    40
Rain shwrs    SC SC SC IS      IS IS IS   IS SC SC SC   SC SC SC SC

$$
VIZ002-222000-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
231 AM AST Tue Sep 22 2026

Date             Tue 09/22/26            Wed 09/23/26            Thu 09/24/26
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                85 88 92          81    85 88 92    76 80 83    85 88 91
Temp          80 85 87 88 85 83 82 81 81 85 87 88 85 82 81 80 80 85 87 88 85 83
Dewpt         75 76 75 75 75 75 75 75 75 76 76 76 76 76 76 76 76 76 76 76 76 76
RH            85 75 68 66 72 77 79 82 82 75 70 68 75 82 85 88 88 75 70 68 75 80
Wind dir       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd      10 12 12 11 10 10 12 11 11 13 14 14 13 11 11  9  9 12 14 13 12 13
Clouds        SC SC SC B1 B1 SC SC SC SC SC FW SC SC SC SC B2 B2 SC SC SC SC B2
PoP 12hr                     30          30          30          50          50
QPF 12hr                   0.15        0.08        0.11        0.19   0.06-0.16
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC IS IS IS SC SC IS SC SC SC SC SC SC IS IS IS IS SC
Heat index    86 94 98 98 94 90 89 87 86 95 99 99 94 90 87 84 84 94 99 99 94 91
Max heat         99   106   105    94    99   107   106    93    98   106   105


Date          Fri 09/25/26  Sat 09/26/26  Sun 09/27/26  Mon 09/28/26
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    88      81    88      81    88      81    87
Temp          81 85 88 83   81 85 88 83   81 85 88 83   81 84 87 83
Dewpt         76 76 76 76   76 77 76 76   77 77 76 77   76 77 76 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 SC FW   FW FW SC SC   FW SC SC SC   SC SC SC SC
PoP 12hr         50    20      10    10      30    30      30    40
Rain shwrs    SC SC IS IS   IS IS IS IS   IS IS SC IS   IS SC SC SC

$$