Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 311831
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
231 PM AST Sun May 31 2026

PRZ001-010800-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 75 79    82 89 93    72 75 79    82 89 92    71 75 79
Temp          85 80 77 75 77 84 88 89 86 80 78 75 77 84 87 89 86 80 77 75 77 83
Dewpt         76 75 74 73 72 74 73 73 72 73 73 73 72 73 73 73 72 72 72 72 71 72
RH            75 85 90 94 85 72 61 59 63 79 85 94 85 70 63 59 63 77 85 90 82 70
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E
Wind spd      11  6  6  6  6  9 13 16 12  9  6  6  8 11 14 18 13  8  8  8  6 10
Clouds        B1 FW FW FW SC FW CL FW CL CL SC SC FW FW FW CL CL FW FW FW FW SC
PoP 12hr                     20           5          10           5          10
QPF 12hr              0.00-0.05        0.01        0.02           0   0.00-0.06
Snow 12hr                    MM          MM          MM
Rain shwrs    SC IS IS IS IS       IS       IS IS    IS IS                   IS
Tstms         IS
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    95 84          90 96 98 93 84          90 95 97 92 83          88
Max heat        110    87    95   107   105    87    95   105   103    86    93


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      74    89      74    89      75    88      75    88
Temp          88 79   74 83 89 79   74 83 89 80   75 83 88 80   75 83 88 80
Dewpt         74 73   72 73 72 72   72 73 73 73   73 74 74 73   73 74 69 71
PWind dir         E      SE    SE      SE     E      SE     E      SE     E
Wind char        GN      LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC   SC B1 SC FW   CL FW FW FW   FW SC SC SC   B1 B1 B1 SC
PoP 12hr         30      30    30       0     5      20    30      50    50
Rain shwrs    IS IS   SC SC SC IS         IS IS   IS IS IS SC   SC SC SC IS
Tstms                                                                 IS

$$
PRZ002-010800-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                65 75 79    75 86 92    66 75 80    75 86 91    65 75 79
Temp          83 79 77 75 77 81 85 86 83 79 77 75 77 81 84 86 83 79 76 75 76 81
Dewpt         75 73 73 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 71 71 72
RH            77 82 87 90 85 74 65 63 70 79 85 90 85 74 67 63 70 79 87 87 85 74
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E
Wind spd      11  9  8  8  9 11 12 13 11 13 11 12 13 13 14 14 13 10 10 11 11 12
Wind gust                          25    24 23 25 25 25    27       20 21 21
Clouds        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
PoP 12hr                     30          20          10          30          30
QPF 12hr                   0.06   0.01-0.07        0.04        0.02   0.02-0.09
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS       SC SC SC SC SC
Obvis          H  H  H  H     H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    89 81          86 91 92 89 82          86 90 92 88 81          85
Max heat        103    87    92   100    99    88    92    99    98    86    91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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          85      74    85      74    85      74    85      75    85
Temp          85 78   74 81 85 78   74 81 85 78   74 81 85 78   75 81 85 78
Dewpt         72 72   72 72 71 72   71 72 72 72   72 73 73 73   73 73 71 71
PWind dir         E      SE    SE      SE     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   B1 B1 SC SC   FW FW SC SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         40      40    40      20    30      30    40      60    60
Rain shwrs    SC SC   SC SC SC IS   IS IS IS IS   SC SC SC SC   SC NM NM SC
Tstms                                                              IS IS

$$
PRZ003-010800-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 75 79    75 85 91    68 75 80    75 85 91    67 74 79
Temp          82 78 76 75 76 81 84 85 83 79 77 75 77 81 84 85 83 78 76 74 76 81
Dewpt         74 74 73 72 72 73 73 73 73 72 72 72 72 72 72 72 73 72 72 71 70 72
RH            77 88 90 90 87 77 70 67 72 79 85 90 85 74 67 65 72 82 87 90 82 74
Wind dir      SE  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E
Wind spd      10  6  6  8  8 10 12 12 12 11  9 10 11 14 14 13 12  9  9  9  9 11
Wind gust     21             20 25 24 23 21 20 21 23 29 29 28 24       19    23
Clouds        FW SC SC SC SC SC FW FW FW SC SC FW SC SC SC CL CL SC SC SC SC SC
PoP 12hr                     30          20          10          20          30
QPF 12hr                   0.06        0.03        0.04        0.02   0.01-0.09
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 SC
Obvis          H  H  H  H     H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    88 81          86 91 92 89 82          86 90 92 88 81          84
Max heat        101    87    93   101   100    87    93   100    99    86    91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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          85      74    85      74    85      74    85      74    85
Temp          85 78   74 80 85 78   74 81 85 78   74 81 85 78   74 81 85 78
Dewpt         73 72   72 72 72 72   72 72 72 73   72 73 73 73   73 72 69 70
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW   SC SC FW FW   CL FW SC SC   B1 B1 SC SC   B1 B1 B1 SC
PoP 12hr         30      20    10       5    30      30    40      50    50
Rain shwrs    SC IS   IS IS IS         IS IS SC   SC SC IS SC   SC SC IS SC

$$
PRZ004-010800-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 75    75 85 91    67 72 76    75 84 91    66 71 75
Temp          81 76 74 72 74 79 83 85 82 77 74 72 74 80 83 84 81 76 73 71 73 79
Dewpt         74 73 72 71 70 72 72 71 71 71 71 71 70 71 71 71 71 71 71 70 69 71
RH            79 90 93 97 87 79 70 63 69 82 90 97 87 74 67 65 72 85 93 97 87 77
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E
Wind spd      10  5  5  5  5  9 11 12 11  8  6  8  9 12 13 13 12  6  5  6  5 10
Clouds        SC FW FW FW SC FW FW FW FW FW SC FW SC SC SC CL CL SC SC SC SC SC
PoP 12hr                     30          10          10          10          20
QPF 12hr              0.01-0.06   0.01-0.06        0.03        0.01   0.00-0.09
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS SC 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  H  H  H  H  H  H  H  H  H  H  H
Heat index    86             82 88 90 86             82 88 90 85             81
Max heat        103          92   101    99    85    92    99    98    83    90


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      71    84      71    84      71    84      71    84
Temp          83 75   71 79 84 75   71 79 84 76   71 79 84 76   71 79 84 76
Dewpt         71 71   70 71 70 70   70 71 71 71   71 72 72 72   71 72 67 69
PWind dir         E      SE    SE      SE    SE       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC SC SC FW   CL FW FW SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         20      30    30       5    20      20    40      50    50
Rain shwrs    IS IS   IS IS IS IS      IS IS IS   IS IS IS SC   SC SC IS SC

$$
PRZ005-010800-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 73 79    83 91 94    70 73 79    83 90 94    70 73 79
Temp          85 79 76 74 76 84 89 91 87 79 76 74 76 83 89 90 86 79 76 74 75 82
Dewpt         78 76 74 72 71 74 74 74 73 72 72 71 71 73 73 73 72 72 72 71 70 72
RH            80 91 94 93 85 72 61 58 63 79 87 90 85 72 59 58 63 79 87 90 84 72
Wind dir      SE SE SE SE SE  E  E  E SE SE SE SE SE SE  E  E  E  E  E  E  E  E
Wind spd       5  4  5  5  6  8 11 13  9  9  6  5  5  6 11 14 12  8  6  6  5  9
Wind gust     18                   26 21                   26
Clouds        B2 FW CL CL FW FW CL FW FW CL SC FW CL CL CL FW FW CL CL CL CL FW
PoP 12hr                      0           5          10           5           0
QPF 12hr                      0   0.00-0.13        0.01   0.00-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    NM IS                   IS    IS             IS IS
Tstms         IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    97 81          91 98101 94 82          90 96 99 93 81          88
Max heat        112    87    97   110   108    85    95   108   106    85    93


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      72    89      72    89      73    89      73    89
Temp          89 78   73 82 89 78   73 83 89 78   73 82 89 79   73 82 89 78
Dewpt         75 73   71 73 73 72   71 73 73 72   72 74 75 73   72 74 69 70
PWind dir         E      SE     E      SE     E      SE     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   SC SC FW FW   CL CL FW FW   CL FW SC B1   SC SC B1 B1
PoP 12hr         20      20     5       0     5       5    40      30    50
Rain shwrs    IS IS   IS IS IS IS         IS IS      IS IS SC   IS IS SC SC
Tstms                                                   IS IS         IS IS

$$
PRZ006-010800-
Central Interior-
Including the cities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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                61 70 74    75 83 92    61 70 75    75 83 91    60 70 74
Temp          80 75 72 70 72 78 82 83 80 75 72 70 72 78 82 83 80 75 72 70 72 77
Dewpt         73 72 71 69 68 70 71 70 69 69 69 69 69 69 69 69 68 68 69 68 67 68
RH            79 90 97 97 87 76 69 65 69 82 90 97 90 74 65 63 67 79 90 93 84 74
Wind dir      SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E
Wind spd       6  4  4  4  4  6  9 11 10  5  5  5  5  9 12 13 10  5  4  4  4  8
Wind gust     19                24 23 21             26 27 27 21
Clouds        B1 FW CL CL FW CL CL FW FW CL SC FW FW FW FW SC SC CL CL CL CL FW
PoP 12hr                      5           0          10          20           0
QPF 12hr                   0.01        0.01        0.02   0.00-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    SC IS       IS          IS    IS    IS IS IS IS IS
Tstms         IS
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    83             80 86 88 83             80 85 87 82
Max heat        106          94   105   102    83    92   102   100          91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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          82      69    82      69    83      70    82      70    82
Temp          82 74   69 77 82 74   69 77 83 74   70 77 82 75   70 77 82 74
Dewpt         70 69   68 69 69 68   68 69 69 69   69 70 70 70   69 70 64 67
PWind dir        SE      SE    SE      SE    SE       E     E       E     E
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC   FW FW FW FW   CL CL FW FW   FW SC SC SC   SC SC SC SC
PoP 12hr         30       5     5       0     5      10    20      20    20
Rain shwrs    IS IS   IS IS IS IS         IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ007-010800-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 74 79    75 86 92    62 74 79    75 86 93    62 73 79
Temp          83 78 76 74 76 81 85 86 83 78 76 74 76 81 85 86 83 78 75 73 75 81
Dewpt         74 73 72 71 70 71 72 72 71 71 70 70 70 70 70 71 71 71 70 69 68 69
RH            74 85 87 90 82 72 65 63 67 79 82 87 82 69 61 61 67 79 84 87 79 67
Wind dir      SE  E  E  E  E  E SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  E
Wind spd       9  6  6  6  5  9 11 11 10  9 10 11 10 12 14 13 11  8  6  6  5  9
Wind gust     21             21 25 26 23 21 25 26 25 28 31 28 24             21
Clouds        SC SC FW CL FW CL CL FW FW CL FW CL FW CL CL SC SC CL CL CL CL FW
PoP 12hr                     10           5           5          10           0
QPF 12hr                   0.01        0.01        0.01   0.00-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS       IS          IS    IS    IS       IS IS
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    88 80          85 90 92 88 81          85 90 92 88 80          84
Max heat        103    87    92   101   100    87    93   101   100    86    90


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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    86      73    86      73    86      73    86
Temp          86 77   73 80 86 77   73 81 86 78   73 81 86 78   73 81 86 78
Dewpt         71 71   70 70 70 70   69 70 71 71   70 71 72 72   70 69 68 69
PWind dir        SE       E    SE       E    SE       E     E       E     E
Wind char        GN      GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    FW FW   FW FW FW FW   CL CL FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       0     0       0    10      10    10      10    20
Rain shwrs    IS IS   IS       IS         IS IS   IS IS IS IS   IS IS IS IS

$$
PRZ008-010800-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 72 79    83 88 94    68 72 79    83 88 94    68 72 79
Temp          83 77 74 72 74 82 86 88 84 77 74 72 74 82 87 88 84 78 74 72 74 81
Dewpt         78 77 74 72 69 72 73 74 74 73 71 69 68 71 72 73 73 73 71 69 68 70
RH            85100100100 84 72 65 63 72 87 90 90 82 69 61 61 70 85 90 90 82 69
Wind dir       N SW SE SE SE  E NE NE  E SE  E SE SE  E  E  E  E  E  E  E  E  E
Wind spd       5  4  4  4  5  4  5 11  5  4  4  5  3  3  9  8  5  3  6  6  8 10
Wind gust                          23
Clouds        OV SC CL CL CL CL CL FW SC CL FW CL CL CL CL B1 B1 CL CL CL CL CL
PoP 12hr                     30          30           0          40           0
QPF 12hr                   0.02   0.09-0.19           0   0.01-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC                IS SC    IS             SC SC
Tstms         IS IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H        H  H  H  H
Heat index    93             86 93 97 91             86 93 96 91             84
Max heat        110    88    93   110   108    86    93   109   107    86    91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      71    87      71    87      71    87      72    87
Temp          87 76   71 81 87 77   71 81 87 77   72 81 87 77   72 81 87 77
Dewpt         74 73   70 71 73 73   69 71 73 73   70 71 75 74   71 72 71 71
PWind dir         E      SE     E      SE     E       E     E       E     E
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC B1   SC FW FW SC   CL CL FW SC   CL FW SC B1   SC SC SC B1
PoP 12hr         50      10    40       0    30       5    60      10    60
Rain shwrs    SC SC   IS IS SC SC         SC SC         NM NM   IS IS NM NM
Tstms                                                   IS IS         IS IS

$$
PRZ009-010800-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                65 70 75    75 85 94    65 70 75    75 85 94    64 69 74
Temp          81 76 73 71 73 79 84 85 82 75 73 70 72 79 84 85 81 75 72 70 72 78
Dewpt         75 73 72 70 68 70 71 71 70 70 69 68 68 69 69 70 69 70 69 67 66 68
RH            82 90 97 97 84 74 65 63 67 84 87 93 87 72 61 61 67 84 90 90 81 71
Wind dir      SE  S SE SE SE SE SE SE SE SE  E  E SE SE SE SE SE SE  E  E  E  E
Wind spd       3  3  4  4  4  5  5  5  5  5  5  5  5  6 10  9  8  4  4  4  4  6
Wind gust     20             21 25 26 21 20 24 24 24 27 32 28 25
Clouds        B2 SC CL CL CL CL CL SC SC CL FW CL CL CL CL B1 B1 CL CL CL CL CL
PoP 12hr                     30          20           5          40           0
QPF 12hr                   0.02   0.00-0.18           0   0.01-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC                IS IS    IS             SC SC
Tstms         IS
Obvis             H  H  H  H  H  H  H  H  H  H  H  H  H  H        H  H  H  H
Heat index    86             82 88 91 85             82 88 90 85             80
Max heat        113    86    94   109   107    84    94   107   106          91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      69    84      69    84      70    84      70    84
Temp          84 74   70 78 84 74   70 78 84 75   70 78 84 75   70 78 84 75
Dewpt         71 70   68 69 70 69   67 68 70 70   68 69 72 71   69 70 67 68
PWind dir         E      SE    SE      SE    SE       E     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   FW FW FW SC   CL CL FW SC   FW FW SC B1   FW FW SC SC
PoP 12hr         60       0    40       0    40       5    60       5    50
Rain shwrs    NM NM         SC SC         SC SC         SC SC   IS IS SC SC
Tstms                                                   IS IS         IS IS

$$
PRZ010-010800-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 73 79    76 90 94    66 73 79    76 90 94    66 73 79
Temp          85 79 76 74 76 83 88 90 86 79 76 74 76 83 88 90 86 79 76 73 75 82
Dewpt         78 77 75 73 71 73 75 75 75 73 72 71 70 72 74 74 74 73 72 70 69 71
RH            80 94 97 97 85 72 66 62 70 82 87 90 82 70 63 60 68 82 87 90 82 69
Wind dir       E  S  E  E  E  E  E  E SE SE  E  E  E  E SE  E SE SE  E  E  E  E
Wind spd       6  4  6  8  8  9  5  6  8  5  9  9  8 10 13  9  8  5  8  6  6  9
Wind gust     19 20 21 23 25 25 21 23 24 24 24 26 28 26 26 29 23 20 23 25 24 24
Clouds        B2 B1 FW CL CL CL CL SC SC CL CL CL CL CL CL SC SC CL CL CL CL CL
PoP 12hr                     40          10           0          40           0
QPF 12hr              0.01-0.10   0.00-0.19           0   0.00-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    NM SC                IS IS                   SC SC
Tstms         IS IS
Obvis                H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    97 82          90 98101 95 82          89 97100 94 81          87
Max heat        113    89    97   117   114    87    96   114   112    87    95


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      73    89      73    89      73    89      73    89
Temp          89 78   73 82 89 78   73 83 89 79   73 83 89 79   74 83 89 79
Dewpt         75 74   71 72 74 73   70 72 74 73   71 73 75 74   72 73 70 71
PWind dir         E       E     E      SE     E       E     E       E     E
Wind char        GN      GN    GN      GN    LT      LT    GN      LT    LT
Avg clouds    FW SC   FW FW FW SC   CL CL FW SC   FW FW SC B1   FW FW SC SC
PoP 12hr         60       0    40       0    40       0    60       5    60
Rain shwrs    NM NM         SC SC         SC SC         NM NM   IS    NM NM
Tstms                                                   IS IS         IS IS

$$
PRZ011-010800-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 75 79    83 91 94    73 75 79    83 91 94    72 74 79
Temp          86 80 77 75 77 84 89 91 87 81 78 76 78 85 89 91 87 80 77 75 77 84
Dewpt         76 75 75 73 72 74 75 75 74 73 73 72 72 73 74 74 73 73 72 71 69 71
RH            72 85 94 94 85 72 64 60 65 77 85 87 82 67 61 58 63 79 85 87 76 65
Wind dir      SE SE  E  E  E  E SE SE SE SE  E  E  E  E SE SE SE  E  E  E  E  E
Wind spd      13 12 11 11 10 14 16 17 13 13 16 16 16 18 20 18 16 11 12 11  8 12
Wind gust     26 27 25 25 23 28 29 34 29 29 31 33 32 35 37 34 32 24 26 26    25
Clouds        FW SC CL CL FW CL CL CL FW CL FW CL CL CL CL FW FW CL CL CL CL CL
PoP 12hr                     20           0           0           5           0
QPF 12hr                   0.01           0           0   0.00-0.10           0
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS                                        IS IS
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    95 85          91 99101 95 85          91 98100 95 84          89
Max heat        108    88    96   107   106    86    95   106   104    85    92


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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          90      74    90      74    91      74    91      74    90
Temp          90 80   74 84 90 80   75 84 91 80   75 84 91 80   75 84 90 80
Dewpt         74 74   72 73 73 73   71 72 74 73   72 73 75 74   72 71 71 72
PWind dir        SE       E    SE       E    SE       E    SE       E     E
Wind char        BZ      GN    BZ      GN    BZ      GN    BZ      GN    GN
Avg clouds    FW FW   FW FW FW FW   CL CL FW FW   FW FW SC SC   SC FW FW SC
PoP 12hr          5       0     0       0     5       5    30      10    30
Rain shwrs       IS                          IS   IS IS IS IS   IS IS IS SC
Tstms                                                      IS            IS

$$
PRZ012-010800-
Culebra-
Including the city of Culebra
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      79    83 87 92          79    83 86 92          78
Temp          84 81 80 79 80 83 86 87 85 81 80 79 80 83 86 86 84 81 79 78 79 83
Dewpt         76 75 74 74 73 74 74 74 74 74 74 74 73 74 74 74 74 74 73 73 73 74
RH            77 82 82 85 79 74 68 65 70 79 82 85 79 74 68 68 72 79 82 85 82 74
Wind dir      SE SE SE  E  E SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E
Wind spd      16 14 13 12 13 16 16 17 16 18 21 21 20 20 19 17 17 17 19 18 18 17
Clouds        CL CL SC SC SC SC SC SC CL SC CL SC SC CL CL SC SC SC SC SC SC SC
PoP 12hr                     20          20          10          10          10
QPF 12hr                   0.04        0.03        0.03        0.01        0.02
Snow 12hr                    MM          MM          MM
Rain shwrs          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  H  H  H  H  H  H  H  H  H  H  H
Heat index    92 87 83 81 83 90 93 95 92 87 84 82 83 90 93 94 91 86 82 80 82 89
Max heat        103    91    97   102   101    90    96   102   101    90    95


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      78    86      78    86      78    86      78    86
Temp          86 81   78 83 86 81   78 83 86 81   78 83 86 81   78 83 86 81
Dewpt         74 74   74 74 74 74   73 74 74 74   74 75 75 75   74 75 72 73
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        BZ      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B2 B1 SC FW   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         50      50    20      20    20      30    40      50    50
Rain shwrs    IS SC   SC SC IS IS   IS IS IS IS   IS SC SC SC   SC SC SC SC

$$
PRZ013-010800-
Vieques-
Including the city of Vieques
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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                      77    83 86 89          77    83 86 89          77
Temp          84 80 79 77 79 83 85 86 84 81 79 77 79 83 85 86 84 80 78 77 78 82
Dewpt         74 74 73 73 73 74 73 73 73 73 73 73 72 73 73 73 73 73 72 72 72 73
RH            72 82 82 87 82 74 67 65 70 77 82 87 79 72 67 65 70 79 82 85 82 74
Wind dir      SE SE  E  E  E SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E
Wind spd      14 12 12 11 13 16 16 16 14 17 18 20 19 19 18 16 16 16 18 17 18 17
Clouds        SC SC SC SC SC SC SC FW FW SC CL SC SC CL CL CL CL SC SC SC SC SC
PoP 12hr                     20          30          10          20          20
QPF 12hr                   0.05        0.04        0.04        0.01   0.03-0.08
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  H  H  H  H  H  H  H  H  H  H
Heat index    91 85 80    80 89 92 94 90 85 81    80 88 92 93 90 84          88
Max heat         99    86    92    98    97    87    91    98    97    85    91


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      77    86      77    86      77    86      77    86
Temp          86 80   77 82 86 80   77 82 86 80   77 82 86 80   77 82 86 80
Dewpt         73 73   73 73 72 73   72 73 73 73   73 74 74 74   74 74 72 72
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        BZ      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B1 SC FW SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         50      50    10      20    30      30    40      50    50
Rain shwrs    IS SC   SC SC IS IS   IS IS IS IS   SC SC SC SC   SC SC IS SC
Tstms                                                                 IS

$$
VIZ001-010800-
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 Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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 78 80    83 85 90    73 78 80    83 85 90    72 77 79
Temp          83 80 79 78 79 82 84 85 83 80 79 78 79 82 84 85 83 80 79 77 79 82
Dewpt         74 74 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 72 72 72 72 73
RH            74 82 82 85 82 74 70 67 72 79 82 85 82 74 70 67 72 77 79 85 79 74
Wind dir      SE SE  E  E  E SE SE SE SE  E  E SE SE SE  E  E  E  E  E  E  E  E
Wind spd      16 14 14 13 14 17 17 17 18 18 23 23 20 21 20 17 17 17 20 18 18 18
Clouds        FW SC SC SC SC FW SC FW CL CL CL SC FW CL CL FW FW CL CL CL CL SC
PoP 12hr                     20          10           5           0          20
QPF 12hr                   0.03        0.01        0.02           0        0.01
Snow 12hr                    MM          MM          MM
Rain shwrs       IS IS IS IS IS IS             IS IS       IS IS             IS
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    90 85 82 80 82 88 91 92 90 85 82 80 82 88 91 92 89 84 81    80 87
Max heat        101    89    93    99    99    89    93    99    99    87    93


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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          85      77    85      78    85      78    85      78    85
Temp          85 80   77 82 85 80   78 82 85 80   78 82 85 80   78 82 85 80
Dewpt         73 73   73 73 73 72   73 73 73 73   74 74 74 74   74 74 72 72
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   B2 B1 SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         50      50    20      20    20      30    40      40    40
Rain shwrs    IS SC   SC SC IS IS   IS IS IS IS   IS SC SC SC   SC SC SC SC

$$
VIZ002-010800-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
231 PM AST Sun May 31 2026

Date           05/31/26      Mon 06/01/26            Tue 06/02/26            Wed
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                      77    83 86 93          77    83 86 93          77
Temp          83 80 79 77 79 83 85 86 84 81 79 77 79 83 85 86 84 80 78 77 78 82
Dewpt         74 74 74 73 73 74 73 74 73 74 74 73 73 73 73 73 73 73 73 72 72 73
RH            74 82 85 87 82 74 67 68 70 79 85 87 82 72 67 65 70 79 85 85 82 74
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      14 12 12 12 13 16 17 16 17 16 21 20 19 20 19 18 16 14 17 16 13 17
Clouds        FW SC SC FW SC FW FW FW CL CL CL FW FW CL CL FW FW SC SC SC SC SC
PoP 12hr                     20           5           5          10          30
QPF 12hr                   0.03        0.01        0.01        0.01        0.03
Snow 12hr                    MM          MM          MM
Rain shwrs    IS IS IS IS IS IS IS IS             IS       IS IS IS IS IS IS SC
Obvis          H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H  H
Heat index    90 85 80    80 89 93 94 91 85 81    80 89 92 94 90 84          88
Max heat        103    88    96   103   102    88    95   103   102    86    94


Date           06/03  Thu 06/04/26  Fri 06/05/26  Sat 06/06/26  Sun 06/07/26
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      77    86      77    86      77    86      77    86
Temp          86 80   77 82 86 80   77 82 86 80   77 82 86 80   77 82 86 80
Dewpt         74 73   73 73 73 73   73 73 74 74   74 74 74 74   74 75 72 72
PWind dir         E       E    SE       E     E       E     E       E     E
Wind char        BZ      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC   SC SC FW FW   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30      30    10      20    20      30    30      10    30
Rain shwrs    IS IS   SC SC    IS   IS IS IS IS   IS SC SC IS   IS IS IS IS

$$