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 Wed Jul 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 Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 94    72 76 82    82 89 92    71 76 82    83 89 92
Temp          78 85 89 90 87 81 78 77 78 84 88 89 86 80 78 76 78 84 88 89 86 81
Dewpt         74 76 76 76 75 75 74 74 73 75 74 74 74 74 74 73 73 74 75 75 75 76
RH            88 75 66 64 68 82 88 90 85 74 63 61 68 82 88 90 85 72 66 64 70 85
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE  E SE SE SE  E  E  E  E  E  E
Wind spd       5  9 13 16 13  9  8  6  5  9 13 14 13  9  6  8  8  9 14 16 14 11
Wind gust              26                         24                   26
Clouds        SC SC SC B1 SC SC SC SC SC FW FW SC SC FW FW FW FW FW FW SC SC FW
PoP 12hr                     50          20          20           5          20
QPF 12hr              0.11-0.39   0.02-0.08        0.05        0.02   0.03-0.10
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       93100102 96 85 80       91 97 98 94 84          91 98100 96 87
Max heat         98   109   108    92    96   105   103    91    96   108   106


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    89      77    88      77    88      76    89
Temp          78 84 89 81   77 84 88 81   78 84 88 80   77 84 89 81
Dewpt         75 76 77 76   75 76 77 76   75 76 77 76   75 77 72 74
PWind dir         E     E       E     E      SE     E       E     E
Wind char        GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10    30      30    30      20    30      20    30
Rain shwrs       IS IS IS   IS IS SC IS   IS IS SC SC   IS IS SC SC

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 89 94    65 76 82    75 87 92    65 76 82    75 88 92
Temp          78 84 88 89 86 80 78 77 77 83 86 87 84 80 78 77 78 83 87 88 85 81
Dewpt         73 74 74 74 73 73 73 73 73 73 73 73 73 73 73 72 72 73 73 74 74 75
RH            85 72 63 61 65 79 85 87 87 72 65 63 70 79 85 85 82 72 63 63 70 82
Wind dir       E SE SE SE SE  E  E  E SE SE SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd       6 11 12 12 12 10 10 10  9 11 13 12 12 10 10  9  8 12 13 14 12 11
Wind gust     17       25       21 21 21 21    24    20    19             23
Clouds        B1 B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     60          40          30          20          30
QPF 12hr              0.14-0.43        0.08        0.07        0.04        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC IS SC IS IS IS IS IS IS IS IS IS SC SC
Tstms         IS
Obvis                                        H        H  H  H  H  H  H        H
Heat index       90 96 97 93 85 80       88 93 94 91 84 80       89 94 96 93 86
Max heat         98   106   105    91    94   102   101    90    95   103   103


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    87      77    88      76    87
Temp          77 83 88 80   77 83 87 81   77 83 88 80   77 83 87 80
Dewpt         74 75 75 75   74 75 75 74   74 75 75 75   74 75 73 74
PWind dir         E     E       E     E       E    SE       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC B1 B1   B1 B1 B1 B1   SC SC SC SC   SC B1 B1 B1
PoP 12hr         30    40      40    40      30    30      40    40
Rain shwrs       SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 88 93    67 75 82    76 86 91    67 75 82    78 88 92
Temp          77 83 87 88 85 80 78 76 77 82 85 86 84 79 77 76 77 83 87 88 85 80
Dewpt         73 73 73 73 73 73 73 72 72 72 71 71 72 73 72 72 72 72 72 73 73 74
RH            87 72 63 61 67 79 85 87 85 72 63 61 67 82 85 87 85 70 61 61 67 82
Wind dir       E  E SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd       5 10 10 10 11  9  9  9  8  9 13 12 11  9  9  9  8 10 14 14 12 10
Wind gust        20 21 21 21             19 26 23 26 20 19          28 27 24
Clouds        SC B2 B2 SC SC SC B1 SC SC FW FW FW FW SC SC SC SC SC SC SC SC FW
PoP 12hr                     50          40          20          10          10
QPF 12hr              0.07-0.15        0.08   0.01-0.11        0.03   0.02-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC IS IS SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS
Tstms         IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       88 94 95 91 83          86 91 92 89 82          88 93 95 92 85
Max heat         97   106   105    90    94   102   102    90    96   105   105


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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      76    87      77    87      76    87
Temp          77 83 88 80   77 83 87 80   77 83 87 80   76 82 87 80
Dewpt         74 74 74 74   74 74 74 74   74 74 74 74   74 74 72 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC SC SC SC   SC SC B1 SC
PoP 12hr         10    30      30    30      30    30      40    40
Rain shwrs       IS IS IS   IS IS SC SC   IS SC SC SC   SC SC SC SC

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 94    67 73 77    75 85 92    67 72 76    76 87 92
Temp          75 81 86 87 84 77 75 73 74 80 84 85 82 77 75 73 74 81 86 87 84 78
Dewpt         72 74 73 73 73 72 72 72 71 73 72 72 72 72 71 71 72 72 72 72 73 73
RH            90 79 65 63 70 85 90 97 90 79 67 65 72 85 87 93 93 74 63 61 70 85
Wind dir      SE SE SE SE SE  E  E SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E
Wind spd       3  9 10 11 11  6  5  5  4  8 12 12 11  6  5  6  5  8 12 12 11  8
Clouds        SC B1 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC FW
PoP 12hr                     40          30          20           5          10
QPF 12hr              0.06-0.42   0.03-0.09   0.01-0.07        0.02   0.03-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       86 93 95 90             84 90 91 87             85 93 94 90 80
Max heat         98   107   106    88    96   103   102    84    95   103   102


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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      73    86      74    86      73    86
Temp          74 82 87 78   74 81 86 78   74 81 86 77   74 81 86 77
Dewpt         73 75 74 74   73 74 74 73   73 74 74 74   73 75 71 72
PWind dir         E     E       E     E       E    SE       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   SC SC SC SC   SC SC SC SC   SC SC B1 SC
PoP 12hr         10    30      30    30      30    30      30    30
Rain shwrs       IS SC SC   IS IS SC SC   IS IS SC SC   SC SC SC SC

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 90 94    71 74 82    84 89 92    71 74 82    84 90 92
Temp          76 84 89 90 86 79 77 75 76 83 88 89 85 79 76 75 76 83 89 90 86 80
Dewpt         73 76 77 77 77 76 74 73 72 75 75 76 75 75 73 72 73 75 75 76 76 76
RH            90 77 68 66 75 91 90 94 87 77 66 66 72 88 90 90 90 77 64 64 72 88
Wind dir      SE  E  E  E  E SE SE SE SE  E  E  E  E SE SE SE SE  E  E NE  E  E
Wind spd       6  8 12 13 12 10  8  6  6  8 13 16 10 10  8  6  6  9 16 19 17 12
Wind gust              28 25                   28 26 20                34 31
Clouds        FW FW FW B2 B1 FW FW FW FW CL CL SC SC CL CL CL CL CL CL SC SC FW
PoP 12hr                     50           5          10           0          10
QPF 12hr              0.05-0.91        0.01   0.02-0.10           0   0.03-0.14
Snow 12hr                    MM          MM          MM
Rain shwrs    IS       SC SC IS       IS IS    IS IS                   IS IS IS
Tstms                  IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       93102105 98 82          90 98100 95 80          91 99102 97 86
Max heat        100   114   112    92    97   109   106    91    97   111   108


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    90      75    89      76    89      75    90
Temp          77 84 90 80   76 84 89 80   76 84 89 80   76 84 90 80
Dewpt         75 77 78 77   75 76 78 76   74 76 78 77   75 77 72 72
PWind dir         E     E       E     E       E     E      SE     E
Wind char        GN    BZ      GN    BZ      LT    GN      LT    GN
Avg clouds    FW FW FW SC   SC SC SC SC   FW FW SC SC   FW FW SC SC
PoP 12hr          5    20       5    40       5    40       0    30
Rain shwrs    IS IS IS IS   IS IS IS SC   IS IS SC SC   IS IS SC SC
Tstms                             IS IS            IS            IS

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 93    62 71 75    75 83 91    61 70 75    75 85 92
Temp          73 79 83 84 81 75 73 71 72 78 82 83 80 75 73 71 72 79 84 85 82 76
Dewpt         70 72 73 73 72 71 71 70 70 71 71 71 71 71 70 69 70 71 71 71 71 72
RH            90 79 72 70 74 87 93 97 93 79 69 67 74 87 90 93 93 77 65 63 69 87
Wind dir       E SE SE SE SE SE  E SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E
Wind spd       3  6  9 10  9  5  4  4  4  6 10 11  9  6  4  4  5  5 11 13 11  8
Wind gust           20 20 20                26 21 24                28 27 21
Clouds        SC SC SC B1 B1 SC FW SC SC CL CL FW FW CL CL CL CL FW FW SC SC FW
PoP 12hr                     40          10           0           0          30
QPF 12hr              0.06-0.72   0.01-0.06        0.01           0   0.02-0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS SC SC IS IS IS IS IS    IS IS                   IS IS
Tstms                  IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       81 88 90 85             80 86 87 83             81 88 90 86
Max heat         98   108   106    85    94   102   101          94   105   103


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    84      72    84      71    84
Temp          73 80 85 76   73 79 84 76   73 79 84 76   72 79 84 76
Dewpt         71 73 73 72   71 73 73 72   71 73 73 72   71 73 68 70
PWind dir         E     E       E     E       E    SE       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW FW SC   FW FW SC SC   SC FW SC SC   SC FW SC SC
PoP 12hr          5    30       5    40       5    30      10    30
Rain shwrs          SC SC   IS IS IS SC   IS IS SC SC   IS IS SC SC
Tstms                             IS IS

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 94    61 74 82    75 86 92    61 74 82    75 88 92
Temp          75 82 86 87 84 78 76 75 76 81 85 86 83 78 76 74 76 82 87 88 85 79
Dewpt         70 71 73 72 72 72 71 71 70 71 70 71 71 72 71 69 69 69 70 72 73 73
RH            84 69 65 61 67 82 85 87 82 72 61 61 67 82 85 84 79 65 57 59 67 82
Wind dir       E  E SE SE SE  E  E  E  E  E SE SE SE  E  E  E NE  E  E SE SE  E
Wind spd       3  6  9 10  9  8  6  8  6  8 11 12  9  9  6  4  4  5 13 16 12  9
Wind gust        19 24 23 21 20          23 26 25 25 21             28 32 27 20
Clouds        FW SC SC SC SC SC SC SC SC FW FW FW FW CL CL CL CL CL CL SC SC FW
PoP 12hr                     30          20           5           0          20
QPF 12hr              0.05-0.60   0.01-0.06   0.01-0.06           0   0.01-0.30
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS SC SC IS IS IS IS IS IS                         IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       86 93 94 89 81          85 89 91 87 80          85 92 95 91 83
Max heat         93   106   105    90    92   102   100    90    93   103   103


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    88      75    88      76    88      75    87
Temp          76 83 88 80   76 83 88 80   76 83 88 79   75 82 87 79
Dewpt         71 71 73 73   71 71 73 73   72 73 72 73   71 72 71 72
PWind dir        NE     E       E     E       E    SE       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW FW SC   FW FW SC SC   FW FW FW SC   SC FW SC SC
PoP 12hr          5    20       5    40       5    30      10    30
Rain shwrs          IS IS   IS    SC SC   IS IS SC SC   IS IS SC SC
Tstms                                IS            IS

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 88 94    68 72 82    84 87 92    68 72 82    84 88 92
Temp          75 82 87 88 84 78 75 73 74 81 86 87 83 77 75 73 74 82 87 88 85 79
Dewpt         72 74 75 76 75 75 74 72 71 73 74 75 75 75 73 71 71 73 74 75 75 76
RH            90 77 68 68 74 91 97 97 90 77 68 68 77 94 94 93 90 74 65 66 72 91
Wind dir       E  E  E  E  E SE  E SE SE  E  E NE NE SE SE SE SE  E  E NE NE  E
Wind spd       8  8  8  8  6  8  6  6  6  8 10 11  6  6  6  8  8  9 16 17 16 12
Wind gust           19 23          17       21 27 18                   33 29
Clouds        CL FW FW OV OV FW CL FW FW CL CL B1 B1 CL CL CL CL CL CL B1 B1 SC
PoP 12hr                     80           5          50          10          40
QPF 12hr              0.53-1.16        0.01   0.09-0.41        0.02   0.04-0.24
Snow 12hr                    MM          MM          MM
Rain shwrs              D  D IS    IS IS       SC SC IS IS             SC SC IS
Tstms                  IS IS                   IS IS                   IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       88 96 99 93             86 94 96 91             86 95 98 93 81
Max heat         95   110   107    91    94   106   105    91    93   106   105


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    87      74    89      73    88
Temp          75 82 88 78   75 82 87 79   75 83 89 78   74 82 88 78
Dewpt         74 74 77 76   74 74 77 76   73 74 77 76   73 75 73 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    BZ      GN    GN      LT    LT      LT    GN
Avg clouds    SC FW FW SC   FW FW SC B1   FW FW SC B1   SC FW SC B1
PoP 12hr         10    40       5    60       5    60      10    60
Rain shwrs    IS IS SC SC         NM NM         NM NM   IS IS NM NM
Tstms                  IS         IS IS         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 Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 85 94    64 71 75    75 84 92    64 70 75    75 85 92
Temp          72 79 83 85 81 75 73 71 72 78 83 84 80 75 72 71 72 79 84 85 82 76
Dewpt         70 72 74 75 74 72 72 70 69 72 72 73 72 72 71 69 69 71 71 73 73 73
RH            93 79 74 72 79 90 97 97 90 82 70 70 77 90 97 93 90 77 65 67 74 90
Wind dir       E  E SE SE SE SE  E SE  E  E SE SE SE SE SE  E  E  E  E  E  E  E
Wind spd       3  4  6  5  3  5  5  4  4  5  8  5  4  5  5  3  4  4  9  6  5  5
Wind gust           25 23 20 19          20 24 24 21 19             26 29 26
Clouds        CL FW FW OV B2 FW FW FW FW CL CL SC SC CL CL CL CL CL CL B2 B2 SC
PoP 12hr                     70           5          20           0          60
QPF 12hr              0.10-1.15        0.01   0.01-0.41           0   0.07-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs              D NM                   IS IS                   NM NM IS
Tstms                  IS IS                                           IS IS
Obvis                                        H        H  H  H  H  H  H        H
Heat index       82 90 93 86             80 88 90 84             82 90 92 88
Max heat         97   114   110    84    94   107   106          93   107   106


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    86      72    85      72    86      71    85
Temp          72 80 86 76   72 80 85 76   73 80 86 76   72 79 85 76
Dewpt         71 73 75 74   71 73 76 73   71 73 75 74   71 73 70 70
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW SC B1   FW FW SC B1   FW FW SC B1   FW FW SC B1
PoP 12hr          5    60       5    60       5    60       5    60
Rain shwrs    IS IS SC SC         NM NM         NM NM   IS IS NM NM
Tstms               IS IS         IS IS         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 Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 90 94    67 74 82    75 89 92    66 73 82    77 90 92
Temp          76 84 89 90 86 79 77 75 76 83 88 89 85 79 76 74 75 83 88 90 86 80
Dewpt         72 75 77 77 76 75 75 73 72 74 76 76 76 75 74 72 72 74 75 76 76 76
RH            87 74 68 66 72 88 94 94 87 74 68 66 75 88 94 93 90 74 66 64 72 88
Wind dir       E  E SE SE  E SE  E  E  E  E SE  E NE SE SE  E  E  E  E  E  E  E
Wind spd       8  5  8  6  4  6  9  8  8  8  6  6  6  5 10  6  5  5  6  8  6  5
Wind gust     20    19 21 20 17 20 26 24 24 23 20 20 20 21 24 19 17 18 23 20 16
Clouds        CL FW FW B2 B2 FW FW FW FW CL CL B1 B1 CL CL CL CL CL CL B2 B2 SC
PoP 12hr                     70           5          50           5          60
QPF 12hr              0.06-1.17        0.01   0.03-0.41        0.01   0.01-0.31
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS  D  D IS IS IS IS       NM NM IS IS             NM NM IS
Tstms                  IS IS                   IS IS                   IS IS
Obvis                                        H        H  H  H  H  H  H        H
Heat index       92102105 97 83          90 98101 95 80          90 99102 97 85
Max heat        101   117   114    92    96   113   109    91    96   113   111


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    91      74    90
Temp          76 84 90 80   75 84 90 80   76 84 91 80   75 83 90 79
Dewpt         74 76 78 77   74 76 78 76   74 76 78 76   74 76 73 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   FW FW SC B1   FW FW SC B1   SC SC SC B1
PoP 12hr         20    60       5    60       5    60      20    60
Rain shwrs    IS IS NM NM         NM NM         NM NM   IS IS NM NM
Tstms               IS IS         IS IS         IS IS         IS IS

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 92 94    73 75 82    84 91 92    72 75 82    84 91 92
Temp          77 85 91 92 88 81 78 76 77 84 90 91 87 80 77 75 76 85 90 91 88 81
Dewpt         72 72 74 74 73 74 74 73 72 73 72 73 72 73 73 71 70 70 72 74 75 75
RH            85 65 58 56 61 79 88 90 85 70 56 56 61 79 87 87 82 61 56 58 66 82
Wind dir       E  E SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE SE  E
Wind spd       4  8 14 14 13 13 13 10 10 12 16 17 13 12 13  8  5  5 13 14 13 12
Wind gust           29 31 26 28 28 26 27 27 29 31 25 29 31 23       31 36 32 24
Clouds        FW SC SC SC SC FW SC FW FW FW FW FW FW CL CL CL CL CL CL SC SC FW
PoP 12hr                     20          30           5           0          20
QPF 12hr              0.04-0.39        0.01   0.02-0.12           0   0.01-0.30
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS IS IS SC IS IS IS IS IS IS                   IS IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index       91100102 96 85          91 97 99 94 83          89 98101 97 86
Max heat         96   110   109    91    94   106   105    90    94   107   106


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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    91      75    91      76    92      75    91
Temp          76 85 91 81   76 85 91 81   77 85 92 81   76 85 91 80
Dewpt         73 72 75 76   72 72 75 75   74 74 74 75   72 72 73 74
PWind dir         E     E       E     E       E    SE       E     E
Wind char        LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW FW SC   FW FW FW SC   FW FW FW SC   SC FW FW SC
PoP 12hr          5    20       5    30       0    20      10    30
Rain shwrs    IS IS IS IS         SC SC         IS IS   IS IS SC SC

$$
PRZ012-222000-
Culebra-
Including the city of Culebra
231 AM AST Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 94          80    84 88 92          80    84 88 92
Temp          81 85 88 89 87 83 81 80 81 85 87 88 86 83 82 80 81 85 87 88 86 83
Dewpt         75 76 76 75 75 75 75 75 74 75 75 75 75 75 75 74 75 75 76 77 77 77
RH            82 75 68 64 68 77 82 85 79 72 68 66 70 77 79 82 82 72 70 70 75 82
Wind dir       E SE SE SE  E  E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd      17 17 17 17 16 18 18 18 17 17 17 16 16 17 17 18 16 18 19 18 17 17
Clouds        B1 B2 B2 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     50          40          20          20          30
QPF 12hr                   0.11        0.08        0.10        0.04        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS SC SC
Tstms         IS
Obvis                                        H        H  H  H  H  H  H        H
Heat index    87 94 98 99 96 90 87 84 85 93 96 97 95 89 87 84 86 94 98100 97 92
Max heat         99   106   105    93    97   102   102    91    98   106   106


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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          80    88      80    88      80    88      80    88
Temp          80 85 88 83   80 85 88 83   80 85 88 83   80 85 88 83
Dewpt         76 77 77 77   76 77 77 76   76 77 77 77   76 77 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      GN    GN      BZ    BZ
Avg clouds    FW SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30    40      40    40      30    30      30    30
Rain shwrs       SC SC SC   SC SC SC SC   SC SC SC IS   IS SC SC IS

$$
PRZ013-222000-
Vieques-
Including the city of Vieques
231 AM AST Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 90 93    76 79 82    84 88 91    76 80 82    84 89 92
Temp          81 85 89 90 87 83 81 79 80 85 87 88 86 82 81 80 81 85 88 89 87 83
Dewpt         74 74 74 74 73 73 74 74 73 74 73 73 73 73 73 73 73 74 74 75 75 75
RH            79 70 61 60 63 72 79 85 79 70 63 61 65 74 77 79 77 70 63 64 68 77
Wind dir       E SE SE SE SE  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E  E
Wind spd      16 17 14 16 16 17 18 17 16 16 16 13 14 17 17 18 16 18 19 19 17 17
Wind gust                                      24
Clouds        B1 B2 B2 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     60          40          30          20          30
QPF 12hr                   0.12        0.08        0.08        0.05        0.12
Snow 12hr                    MM          MM          MM
Rain shwrs    SC NM SC SC SC SC SC SC IS SC IS IS IS IS IS IS IS IS IS SC SC
Tstms         IS
Obvis                                        H        H  H  H  H  H  H        H
Heat index    85 93 97 98 95 88 86 82 84 92 95 96 93 88 86 82 85 93 96 98 96 90
Max heat         96   103   102    90    95   100   100    90    95   102   102


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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          80    88      80    88      80    89      79    88
Temp          80 85 88 83   80 85 88 83   80 86 89 83   79 85 88 82
Dewpt         75 76 76 76   75 76 75 75   75 75 75 75   75 76 75 75
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      GN    GN      BZ    BZ
Avg clouds    FW SC B1 B1   B1 B1 B1 SC   SC SC SC SC   SC B1 B1 SC
PoP 12hr         30    40      40    40      30    30      40    40
Rain shwrs       SC SC SC   SC SC SC SC   SC SC SC IS   SC SC SC 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 Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 87 94    73 79 82    84 86 92    73 79 82    84 87 92
Temp          80 84 86 87 85 82 80 79 80 83 86 86 85 82 81 79 80 84 86 87 85 82
Dewpt         74 75 74 74 74 74 74 74 74 74 73 73 73 73 74 74 74 74 75 75 75 76
RH            82 74 68 65 70 77 82 85 82 74 65 65 67 74 79 85 82 72 70 68 72 82
Wind dir      SE SE SE  E  E  E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd      17 18 17 17 17 18 19 18 17 17 17 17 14 17 18 16 18 19 20 19 17 17
Clouds        SC B1 B1 SC SC SC B1 SC SC CL CL SC SC FW FW FW FW SC SC SC SC FW
PoP 12hr                     40          40          20          30          30
QPF 12hr                   0.08        0.06        0.08        0.06        0.07
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC IS IS IS SC IS IS       IS IS IS IS IS IS SC SC IS IS IS
Obvis                                        H        H  H  H  H  H  H  H  H  H
Heat index    85 91 94 96 93 87 84 81 83 90 93 94 92 87 85 82 84 91 95 96 94 89
Max heat         98   105   103    92    96   102   102    91    97   105   105


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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          80    87      79    86      78    87      79    87
Temp          80 84 87 82   79 84 86 81   78 83 87 82   79 84 87 82
Dewpt         76 76 76 76   76 76 75 75   75 76 75 76   76 76 74 74
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    BZ      GN    GN      BZ    BZ
Avg clouds    FW SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10    30      30    30      30    30      20    20
Rain shwrs    IS IS IS IS   SC SC SC SC   SC SC SC IS   IS IS IS IS

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

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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 94    76 79 82    84 87 92    76 79 82    84 88 92
Temp          80 85 88 89 86 82 81 79 80 84 87 87 86 82 81 79 80 84 87 88 86 82
Dewpt         75 75 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 75 75 76 76 76
RH            85 72 63 61 68 77 79 85 82 72 65 65 68 77 79 85 82 74 68 68 72 82
Wind dir      SE SE SE SE  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd      14 16 16 16 14 13 14 14 13 16 16 17 14 16 17 14 16 17 19 18 17 17
Wind gust                             25    26
Clouds        SC B1 B1 SC SC SC B1 SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     50          40          30          30          30
QPF 12hr                   0.07        0.05        0.10        0.06        0.09
Snow 12hr                    MM          MM          MM
Rain shwrs    SC SC SC IS IS IS SC IS IS SC IS IS IS       IS IS SC SC IS IS IS
Obvis                                        H        H  H  H  H        H  H  H
Heat index    85 93 97 98 94 88 85 80 83 91 95 96 93 88 86 81 84 93 97 99 96 90
Max heat         98   106   105    91    96   103   102    90    98   106   105


Date          Sat 07/25/26  Sun 07/26/26  Mon 07/27/26  Tue 07/28/26
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          79    88      79    87      79    89      79    88
Temp          79 84 88 82   79 84 87 82   79 85 89 82   79 84 88 82
Dewpt         76 77 76 77   76 76 76 76   76 76 76 76   76 76 73 73
PWind dir         E     E       E     E       E     E       E     E
Wind char        BZ    BZ      BZ    GN      GN    GN      GN    BZ
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10    20      30    30      30    20      20    20
Rain shwrs    IS IS IS IS   IS SC SC SC   SC SC IS IS   IS IS IS IS

$$