Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 011831
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
231 PM AST Thu Oct 1 2026

PRZ001-020800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    83 90 93    73 77 82    84 91 93    73 78 82
Temp          84 81 80 78 77 84 89 90 84 81 79 78 77 85 90 91 84 82 80 79 78 84
Dewpt         76 76 76 75 75 76 77 76 76 75 75 75 74 76 77 76 76 75 75 75 75 76
RH            77 85 88 91 94 77 68 64 77 82 88 91 90 75 66 62 77 79 85 88 91 77
Wind dir       E  E SE SE SE  E  E  E  E SE SE  E SE SE  E  E  E  E  E  E SE  E
Wind spd      12  6  6  5  4  8 12 14 11  8  8  8  5  6 11 13 12  8  8  4  3  6
Wind gust                          25                      24
Clouds        B2 SC SC SC B1 B1 SC B1 B2 SC SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     50          60          20          50          30
QPF 12hr              0.13-0.24   0.18-0.29   0.06-0.18   0.25-0.34        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC SC IS SC SC SC SC NM IS IS IS IS IS IS SC SC SC SC SC SC SC
Tstms         IS                                           IS IS
Heat index    93 87 84 81    94101101 92 87 83 80    94102102 93 88 84 81    93
Max heat        107    92   100   112   110    92   100   107   107    92   100


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      77    91      77    91      77    91      77    91
Temp          89 81   78 85 91 81   78 85 91 81   78 85 91 81   78 85 91 81
Dewpt         76 75   75 76 77 76   75 77 77 76   75 76 77 76   75 76 72 72
PWind dir         E       E     E      SE     E       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW SC SC   SC B1 B1 SC   SC SC SC SC
PoP 12hr         30      20    10      10    30      50    50      20    40
Rain shwrs    IS IS   IS IS IS IS   IS IS IS SC   SC SC SC IS   IS IS SC SC
Tstms                                                IS IS IS

$$
PRZ002-020800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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 93    67 77 82    75 88 94    67 77 82
Temp          83 80 79 78 77 83 86 87 82 80 79 78 77 83 87 88 83 81 79 78 77 83
Dewpt         74 74 75 74 74 75 74 74 74 74 74 74 74 75 74 74 74 74 74 74 74 75
RH            74 82 88 88 90 77 68 65 77 82 85 88 90 77 65 63 74 79 85 88 90 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  9  9  9  8 10 12 12 10 10 10  9  8  9 11 12 10  9 10  9  6 10
Wind gust        19 19 19 18                20                      20 19
Clouds        B2 B2 B1 B1 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 B2 B2 SC SC SC SC B1
PoP 12hr                     60          60          50          50          40
QPF 12hr              0.21-0.26   0.26-0.34   0.14-0.25   0.29-0.35        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC SC SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS                                           IS IS
Heat index    89 85 82       90 95 95 88 84 82       90 96 96 89 85 83 80    90
Max heat        103    92    97   103   101    91    97   105   102    91    96


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      77    88      77    88      77    88      77    88
Temp          87 80   78 84 88 80   78 83 88 80   78 83 88 80   78 83 88 80
Dewpt         74 74   74 75 74 74   74 75 74 74   74 75 74 74   74 75 73 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    SC SC   SC SC SC SC   SC SC B1 B1   SC B1 B2 B1   SC SC B1 SC
PoP 12hr         40      20    30      40    40      50    60      40    40
Rain shwrs    SC IS   IS IS IS IS   IS SC SC SC   SC SC NM NM   IS SC SC SC
Tstms                                  IS IS IS      IS IS IS

$$
PRZ003-020800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    77 87 92    69 76 82    78 88 93    69 76 82
Temp          82 80 78 77 76 82 86 87 82 80 78 77 76 83 87 88 82 80 78 77 76 83
Dewpt         75 74 74 74 73 74 73 72 74 74 74 74 73 74 74 73 74 73 74 74 74 74
RH            79 82 88 90 90 77 65 61 77 82 88 90 90 74 65 61 77 79 88 90 94 74
Wind dir       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE
Wind spd      10  8  8  8  6  8 12 13 10  9  9  8  6  8 11 12 11  9  8  6  5  8
Wind gust     23                25 28 23                23 24 25       17
Clouds        B2 B1 B1 SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1
PoP 12hr                     50          40          40          50          30
QPF 12hr              0.07-0.25   0.14-0.31   0.11-0.25   0.25-0.35   0.04-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC IS IS IS IS SC
Tstms         IS                                           IS IS
Heat index    88 83 81       88 93 93 87 83 80       89 95 96 89 84 81       89
Max heat        105    91    97   105   104    91    98   107   105    91    97


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      76    88      76    88      76    88      76    88
Temp          87 80   77 83 88 80   77 83 88 80   77 83 88 80   77 83 88 80
Dewpt         73 73   74 74 73 74   74 74 73 74   74 74 73 74   74 74 71 72
PWind dir         E      NE     E      NE     E      NE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC FW   FW FW FW FW   SC SC SC SC   SC B1 B1 SC   SC SC SC SC
PoP 12hr         30       5    20      20    30      50    50      20    20
Rain shwrs    SC IS   IS IS IS IS   IS IS IS SC   SC SC SC IS   IS IS IS IS
Tstms                                                IS IS IS

$$
PRZ004-020800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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                68 73 77    77 86 91    68 73 77    77 87 92    69 74 77
Temp          80 77 76 74 73 80 85 86 80 77 76 74 73 81 86 87 80 78 76 75 74 80
Dewpt         74 73 73 73 72 74 74 73 73 72 73 72 72 74 74 73 73 73 73 72 73 74
RH            82 87 90 97 97 82 70 65 79 85 90 93 97 79 68 63 79 85 90 90 97 82
Wind dir      SE  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       9  5  4  4  3  6 10 12  9  5  5  6  4  5 10 11  9  4  3  3  2  4
Clouds        B2 B1 B1 SC B1 B1 B1 B1 B2 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     50          50          30          50          30
QPF 12hr              0.08-0.25   0.18-0.32   0.10-0.24   0.25-0.34        0.10
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC SC IS SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS                                           IS IS
Heat index    84             85 92 92 83             86 93 94 84             85
Max heat        103    86    95   104   102    86    96   104   102    86    96


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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    87      74    87      73    87      74    87
Temp          86 77   74 81 87 78   75 81 87 78   74 81 87 78   74 81 87 78
Dewpt         73 73   72 74 73 73   73 74 73 73   72 74 73 73   72 74 69 71
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW SC SC B1   SC B1 B1 SC   SC SC SC SC
PoP 12hr         30      10    20      20    40      50    50      20    30
Rain shwrs    IS IS   IS IS IS IS   IS IS SC SC   SC SC SC IS   IS IS SC IS
Tstms                                        IS      IS IS IS

$$
PRZ005-020800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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 75 82    85 90 93    72 75 82    85 90 94    72 75 82
Temp          83 80 78 76 75 83 89 90 83 79 78 76 75 83 89 90 83 80 78 76 75 83
Dewpt         76 75 75 74 74 76 77 77 76 75 75 74 73 76 77 77 76 75 75 74 74 76
RH            80 85 91 94 97 80 68 66 80 88 91 94 94 80 68 66 80 85 91 94 97 80
Wind dir       E  E SE SE SE  E  E  E  E SE SE SE SE SE  E  E  E  E  E  E SE  E
Wind spd      12  9  6  5  4  6 12 17 13  9  8  5  4  5 10 14 13 10  9  4  3  6
Wind gust     23                   29 26                   26 26
Clouds        B2 SC FW FW SC SC FW B1 B2 SC FW SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     20          60          10          40          20
QPF 12hr              0.03-0.15   0.16-1.07   0.04-0.14   0.19-0.66   0.01-0.08
Snow 12hr                    MM          MM          MM
Rain shwrs    SC IS       IS IS IS SC NM IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                      IS                   IS IS
Heat index    92 85          92102102 90 83          92102102 91 84          91
Max heat        107    92   100   114   111    92   100   107   107    92    99


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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    90      75    90      75    90      75    90
Temp          89 79   76 83 90 80   76 83 90 79   76 83 90 80   76 83 90 80
Dewpt         77 75   74 76 77 75   74 76 77 75   74 76 77 75   74 76 74 72
PWind dir         E       E     E      SE     E       E     E      SE     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW FW SC   SC SC B1 B1   SC SC SC SC
PoP 12hr         30       5    10       5    30      20    70      10    40
Rain shwrs    IS SC   IS IS IS IS   IS    SC IS   IS IS IS NM   IS IS SC IS
Tstms                                        IS         IS IS

$$
PRZ006-020800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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                63 72 76    74 84 92    63 72 76    75 84 92    63 72 76
Temp          79 76 74 73 72 79 83 84 78 76 74 73 72 79 83 84 78 76 74 73 72 78
Dewpt         72 72 72 71 70 72 73 71 72 71 71 71 70 72 73 72 72 71 71 71 71 72
RH            79 87 93 93 93 79 72 65 82 85 90 93 93 79 72 67 82 85 90 93 97 82
Wind dir      SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       8  4  4  4  3  4 10 11  9  5  4  4  3  4  8  9  8  5  4  2  2  4
Wind gust     20                25 28 21                23 24 21
Clouds        B2 SC FW FW FW SC FW B1 B2 FW FW SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          50          20          40          20
QPF 12hr              0.03-0.16   0.13-1.06   0.03-0.11   0.24-1.11   0.01-0.08
Snow 12hr                    MM          MM          MM
Rain shwrs    NM IS IS IS IS IS IS SC NM IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                      IS                   IS IS
Heat index    81             81 88 88 80             82 89 89 81             81
Max heat        104    85    96   106   103    85    96   106   103    85    96


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      72    84      72    84      72    84      72    84
Temp          83 75   73 79 84 76   73 79 84 76   73 79 84 76   73 79 84 76
Dewpt         72 71   71 72 72 72   71 72 72 72   71 72 72 72   71 72 69 69
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 SC   FW FW FW SC   FW FW SC B1   SC SC B1 SC   SC SC SC SC
PoP 12hr         40       0    30       5    40      30    40      10    30
Rain shwrs    IS SC         SC IS   IS IS SC SC   IS IS SC IS   IS IS IS IS
Tstms                                     IS IS         IS IS

$$
PRZ007-020800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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                63 75 82    74 87 93    63 75 82    75 88 94    63 75 82
Temp          82 79 77 76 75 82 86 87 81 79 77 76 75 82 87 88 82 79 77 76 75 82
Dewpt         74 73 72 72 71 72 73 72 72 72 72 71 71 72 73 73 74 73 72 71 71 71
RH            77 82 85 87 87 72 65 61 74 79 85 85 87 72 63 61 77 82 85 85 87 69
Wind dir       E  E  E  E  E  E  E SE SE  E  E NE  E  E  E SE  E  E NE NE NE NE
Wind spd      10  8  6  5  5  4 12 13 10  8  5  5  4  5 11 11  9  6  5  3  3  4
Wind gust     25 19             26 29 25 21             24 25 25
Clouds        B2 SC FW FW FW FW FW SC B1 FW FW SC SC SC SC B1 B1 FW FW FW FW SC
PoP 12hr                     20          40          10          50          10
QPF 12hr                   0.03   0.10-0.86   0.02-0.14   0.17-1.10        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs    SC IS IS    IS IS IS IS SC IS IS IS IS IS IS SC SC             IS
Tstms         IS                      IS                   IS IS
Heat index    87 82          86 92 93 85 82          87 93 95 87 82          86
Max heat        104    91    93   104   102    91    94   106   104    91    93


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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    88      75    88      75    88      75    88
Temp          87 79   76 82 88 79   76 82 88 79   76 82 88 79   76 82 88 79
Dewpt         73 72   71 71 73 73   71 72 73 73   71 72 73 72   71 72 71 71
PWind dir         E      NE     E      NE     E      NE     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   CL CL FW SC   FW FW SC B1   SC SC SC SC   SC SC SC SC
PoP 12hr         40       0    40       0    50      20    30      20    20
Rain shwrs    IS SC         SC SC   IS    SC IS   IS IS IS IS   IS IS IS IS
Tstms                                     IS IS         IS IS

$$
PRZ008-020800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    85 87 93    69 74 82    85 88 94    70 74 82
Temp          82 79 77 75 74 82 87 87 81 78 76 75 74 82 87 88 81 78 76 75 74 81
Dewpt         76 75 74 73 72 74 77 77 75 75 74 73 72 74 76 76 75 75 74 73 73 74
RH            82 88 90 94 93 77 72 72 82 91 94 94 93 77 70 68 82 91 94 94 97 79
Wind dir       E  E  E  E  E  E  E NE  E SE  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd      10  8  8  6  5  8 11 13 12  8  6  6  5  6  9 11 11 10  9  6  6  8
Wind gust     20                   28 24                   21 24       17
Clouds        B2 B1 SC FW FW FW CL B1 OV SC FW CL SC FW FW B1 B1 SC SC SC SC FW
PoP 12hr                     30          70          10          50           5
QPF 12hr                   0.05   0.62-1.09   0.03-0.09   0.23-0.66   0.00-0.06
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC IS IS    IS    SC NM IS IS    IS       SC SC IS IS IS IS
Tstms         IS IS                   IS                   IS IS
Heat index    88 80          87 97 99 86             87 97 98 87             86
Max heat        107    92    94   109   106    92    93   107   107    91    94


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      74    88      74    88      74    88      74    88
Temp          87 78   75 82 88 78   75 82 88 78   75 81 88 78   75 82 88 78
Dewpt         76 75   73 74 76 75   73 74 76 75   73 74 76 75   73 74 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      LT    GN      LT    LT      LT    GN
Avg clouds    FW SC   CL CL FW SC   CL FW SC B1   SC SC SC B2   B1 SC SC B1
PoP 12hr         40       0    40       0    50      10    70      30    60
Rain shwrs    SC SC         SC SC         SC SC   IS IS NM NM   SC SC NM NM
Tstms                                     IS IS         IS IS         IS IS

$$
PRZ009-020800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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 72 77    74 85 93    66 72 77    75 85 94    66 72 77
Temp          79 76 74 73 72 79 84 85 79 76 74 73 72 79 84 85 79 76 74 73 72 79
Dewpt         72 72 72 71 70 71 73 74 72 72 72 70 69 71 73 73 72 72 72 70 70 71
RH            79 87 93 93 93 77 70 70 79 87 93 90 90 77 70 67 79 87 93 90 93 77
Wind dir       E  E  E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       5  4  4  4  3  3  6  5  4  4  4  3  3  4  5  5  3  4  4  3  3  3
Wind gust     23                25 25    19             21 23
Clouds        B2 SC SC FW CL FW CL B1 OV FW CL FW FW FW FW B2 B2 FW FW FW FW FW
PoP 12hr                     30          70           5          60           0
QPF 12hr                   0.04   0.17-1.09        0.03   0.65-1.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC IS             SC NM       IS IS IS IS NM NM             IS
Tstms         IS                      IS                   IS IS
Heat index    82             82 90 91 81             82 90 92 81             81
Max heat        107    86    94   109   107    85    94   107   107    85    92


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      72    85      72    85      72    85      72    85
Temp          84 76   73 79 85 76   73 79 85 76   73 79 85 76   73 79 85 76
Dewpt         73 72   70 71 73 72   71 72 74 72   70 71 73 72   70 71 71 71
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 SC   FW FW SC SC   CL FW SC B1   SC SC SC B2   SC SC SC B1
PoP 12hr         50       0    60       0    60      10    70      30    60
Rain shwrs    SC SC   IS    NM NM         NM NM   IS IS NM NM   IS IS NM NM
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ010-020800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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                68 75 82    76 90 93    68 75 82    76 91 94    68 75 82
Temp          83 80 78 76 75 83 89 90 83 79 77 76 75 84 89 91 83 79 77 76 75 83
Dewpt         77 76 75 73 72 74 77 77 76 75 75 73 72 74 76 77 76 75 75 73 73 74
RH            82 88 91 90 90 74 68 66 80 88 94 90 90 72 66 64 80 88 94 90 94 74
Wind dir       E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       5  6  8  6  6  5  6  6  6  8  8  5  5  5  5  5  5  8  6  6  5  5
Wind gust     20 19 25 25 20 23 18 17 19    24 21 19 19 18 16    19    18
Clouds        B2 B1 SC FW FW FW FW B1 B2 FW CL CL FW FW FW B2 B2 FW FW FW FW FW
PoP 12hr                     40          70           5          60           0
QPF 12hr              0.03-0.19   0.02-1.09        0.02   0.23-1.11   0.00-0.07
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC IS IS          SC NM          IS       NM NM IS IS IS IS IS
Tstms         IS IS                   IS                   IS IS
Heat index    92 84          90101103 91 83          91101102 91 83          90
Max heat        107    92    97   112   109    92    97   107   107    92    96


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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    91      75    91      75    90      75    90
Temp          89 79   76 84 91 80   76 84 91 79   76 84 90 80   76 84 90 80
Dewpt         77 75   73 74 77 75   73 75 77 75   73 74 77 75   73 75 73 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    SC B1   FW FW FW SC   FW FW SC B1   SC SC SC B2   B1 SC SC B1
PoP 12hr         50       5    60       0    60      10    70      40    60
Rain shwrs    SC SC   IS IS NM SC         NM NM   IS IS IS SC   SC SC NM NM
Tstms         IS IS         IS IS         IS IS         IS IS         IS IS

$$
PRZ011-020800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    86 91 93    73 77 82    86 92 94    73 76 82
Temp          85 81 79 77 76 85 90 91 84 81 79 77 77 85 91 92 84 81 79 77 76 85
Dewpt         76 76 75 74 73 73 75 74 74 74 74 73 73 73 75 75 76 75 74 73 72 73
RH            75 85 88 90 90 67 62 58 72 79 85 87 87 67 60 58 77 82 85 87 87 67
Wind dir      SE  E  E  E  E  E SE SE  E  E  E  E  E  E  E SE  E  E  E  E  E  E
Wind spd      14 12 10 10  8  5 14 16 11 12 11  6  8  8 12 13  9 10  6  4  4  4
Wind gust     31 29 25 23       29 32 23 25 25          25 28 21 20
Clouds        SC SC SC FW FW FW FW SC B1 FW FW FW SC FW FW B2 B2 CL CL CL CL SC
PoP 12hr                     10          40          10          50          10
QPF 12hr                   0.03   0.10-0.63        0.03   0.23-1.10        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS       IS IS IS SC    IS IS IS IS IS SC SC             IS
Tstms                                                      IS IS
Heat index    93 87 82       92101102 91 86 81       92102103 93 87 81       91
Max heat        107    92    94   110   107    92    94   107   107    92    93


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      76    92      76    92      76    92      76    92
Temp          91 80   77 85 92 81   77 85 92 81   77 85 92 81   77 85 92 81
Dewpt         75 75   72 72 75 75   73 73 75 75   73 73 75 75   73 74 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW SC   FW FW FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      20    40       5    30      10    20      20    20
Rain shwrs    SC SC   IS IS SC SC         SC IS   IS IS IS IS   IS IS IS IS
Tstms            IS

$$
PRZ012-020800-
Culebra-
Including the city of Culebra
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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 93          81    86 89 94          81
Temp          85 84 83 82 81 85 87 88 85 83 83 82 81 86 88 89 85 84 83 82 81 85
Dewpt         77 76 76 76 76 76 76 76 76 76 76 76 75 76 76 76 76 76 76 76 76 76
RH            77 77 80 82 85 75 70 68 75 80 80 82 82 72 68 66 75 77 80 82 85 75
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      16 17 17 16 16 14 14 16 16 16 17 14 13 13 14 14 14 16 18 17 16 14
Clouds        SC B1 B1 B1 SC B1 B2 B1 B2 SC SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC
PoP 12hr                     40          50          50          50          30
QPF 12hr                   0.22        0.27        0.25        0.29        0.11
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Heat index    95 92 90 89 87 94 97 98 94 91 90 89 87 95100 99 95 92 90 89 88 95
Max heat        106    95    98   105   104    94    99   106   105    94    99


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      81    89      81    89      81    89      81    89
Temp          88 83   82 86 89 83   82 85 89 83   82 85 89 84   82 85 89 84
Dewpt         76 76   76 76 76 76   76 76 76 76   76 76 76 76   76 76 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC SC B1 B1   SC B1 B2 B1   SC SC B1 SC
PoP 12hr         30      20    30      40    40      50    60      40    40
Rain shwrs    IS IS   IS IS SC SC   IS SC SC SC   SC SC NM NM   IS SC SC SC
Tstms                                  IS IS         IS IS IS

$$
PRZ013-020800-
Vieques-
Including the city of Vieques
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    84 88 91          80    85 89 92          80
Temp          85 83 82 81 80 84 87 88 84 82 81 81 80 85 88 89 85 83 82 81 80 85
Dewpt         76 75 76 75 75 75 75 75 75 74 75 75 74 75 75 75 75 74 75 75 75 75
RH            75 77 82 82 85 74 68 66 74 77 82 82 82 72 66 64 72 74 79 82 85 72
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      16 17 16 14 16 14 14 16 16 16 17 14 13 13 13 14 13 17 17 16 14 14
Clouds        B1 B2 B2 B2 B1 B1 B2 B2 B2 SC SC B1 B1 B2 B2 B1 B1 SC SC SC SC B1
PoP 12hr                     50          60          50          50          40
QPF 12hr                   0.25   0.28-0.33        0.25        0.29        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms         IS
Heat index    93 90 88 85 83 92 97 97 92 89 87 85 84 93 98 98 93 89 88 86 84 93
Max heat        102    92    95   101    99    91    96   102   101    91    96


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      80    89      80    89      80    89      80    89
Temp          88 82   81 85 89 83   81 85 89 82   81 85 89 82   80 85 89 82
Dewpt         75 74   75 75 75 75   75 75 75 75   75 75 75 75   75 75 74 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC SC   SC SC B1 B1   SC B1 B2 B1   SC SC B1 SC
PoP 12hr         40      20    30      40    40      50    60      40    40
Rain shwrs    SC IS   IS IS SC SC   IS SC SC SC   SC SC NM NM   IS SC SC SC
Tstms                                  IS 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
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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 80 82    84 86 92    70 80 82    85 87 93    70 80 82
Temp          84 82 81 81 80 84 86 86 84 82 81 80 80 84 87 87 84 82 81 81 80 84
Dewpt         76 75 76 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75
RH            77 79 85 82 85 74 70 70 74 79 82 85 85 74 68 68 74 79 82 82 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  E
Wind spd      17 17 18 17 16 16 14 16 17 17 16 14 13 14 14 14 16 17 18 16 17 14
Clouds        SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC
PoP 12hr                     30          40          50          50          30
QPF 12hr              0.10-0.19   0.17-0.23        0.25   0.15-0.29        0.09
Snow 12hr                    MM          MM          MM
Rain shwrs    IS SC IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS
Heat index    92 89 87 86 84 91 95 95 91 88 87 86 84 92 96 96 91 89 87 86 85 92
Max heat        104    93    97   104   102    92    98   105   103    92    97


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      80    87      80    87      80    87      80    87
Temp          87 82   80 84 87 82   81 84 87 82   80 84 87 82   80 84 87 82
Dewpt         75 75   75 76 75 75   75 75 75 75   75 75 75 75   75 75 73 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    GN      GN    GN      BZ    BZ      GN    GN
Avg clouds    SC FW   SC SC SC SC   FW SC B1 B1   SC B1 B2 B1   SC SC SC SC
PoP 12hr         20      20    30      40    40      50    50      20    30
Rain shwrs    IS IS   IS IS SC SC   IS SC SC SC   SC SC SC IS   IS IS SC SC
Tstms                                  IS IS         IS IS IS

$$
VIZ002-020800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
231 PM AST Thu Oct 1 2026

Date           10/01/26      Fri 10/02/26            Sat 10/03/26            Sun
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    84 88 93          80    85 89 94          80
Temp          85 83 82 81 80 84 87 88 84 82 82 81 80 85 88 89 85 83 82 81 80 84
Dewpt         77 76 76 76 76 76 76 76 76 75 76 76 76 76 76 75 76 75 76 76 76 76
RH            77 80 82 85 88 77 70 68 77 79 82 85 88 75 68 64 75 77 82 85 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  E
Wind spd      16 13 14 14 13 13 13 14 14 13 13 11 12 12 14 13 13 14 16 13 13 14
Clouds        SC B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC
PoP 12hr                     40          40          50          50          20
QPF 12hr                   0.21        0.22        0.25   0.15-0.22        0.07
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS
Tstms         IS
Heat index    94 90 88 86 84 93 98 98 93 89 88 86 84 94 99 99 93 90 88 86 84 93
Max heat        107    93    99   107   105    92   100   107   106    93    99


Date           10/04  Mon 10/05/26  Tue 10/06/26  Wed 10/07/26  Thu 10/08/26
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      80    89      80    89      80    89      80    89
Temp          88 83   81 85 89 83   81 85 89 82   81 85 89 82   81 85 89 82
Dewpt         76 76   76 76 76 76   76 76 76 76   76 76 76 76   76 76 73 74
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC SC   CL FW B1 SC   SC B1 B1 B1   SC SC SC SC
PoP 12hr         20      20    30      40    40      50    50      10    20
Rain shwrs    IS IS   IS IS SC SC      SC SC SC   SC SC SC SC   IS IS IS IS
Tstms                                  IS IS         IS IS IS

$$