625
FOCA52 TJSJ 310631
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 AM AST SUN MAY 31 2026
PRZ001-312000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 83 90 92 71 75 79 82 89 93 72 75 79 82 89 92
TEMP 77 84 88 90 86 80 77 75 77 84 88 89 86 80 78 75 77 84 87 89 86 80
DEWPT 74 76 77 77 76 74 74 73 72 74 73 73 72 73 73 73 72 73 73 73 72 72
RH 90 77 70 66 72 82 90 94 85 72 61 59 63 79 85 94 85 70 63 59 63 77
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E
WIND SPD 5 6 11 14 11 8 6 6 6 8 13 16 13 10 8 6 6 11 14 17 13 8
WIND GUST 25 26 27
CLOUDS B1 SC B1 B1 B1 FW FW FW SC FW CL FW CL CL CL CL CL FW FW CL CL FW
POP 12HR 40 20 5 5 5
QPF 12HR 0.05-1.03 0.00-0.05 0 0 0
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC 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
HEAT INDEX 92101103 95 84 90 96 98 93 84 90 95 97 92 83
MAX HEAT 98 113 110 87 95 107 105 87 95 105 103
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 74 89 74 89 75 88
TEMP 75 83 88 79 74 83 89 79 74 83 89 80 75 83 88 80
DEWPT 72 72 74 73 72 73 72 72 72 73 73 73 73 74 74 73
PWIND DIR E E SE SE SE E SE E
WIND CHAR GN GN LT GN LT GN LT GN
AVG CLOUDS FW FW SC SC SC B1 SC FW CL FW FW FW FW SC SC SC
POP 12HR 10 30 30 30 0 5 20 30
RAIN SHWRS IS IS IS SC SC SC IS IS IS IS IS IS SC
PRZ002-312000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 86 92 65 75 79 75 86 92 66 75 80 75 86 91
TEMP 76 81 85 86 83 79 77 75 77 81 85 86 83 79 77 75 77 81 84 86 83 79
DEWPT 74 75 76 76 74 73 73 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72
RH 94 82 75 72 74 82 87 90 85 74 65 63 70 79 85 90 85 74 67 63 70 79
WIND DIR SE SE SE SE SE SE E SE SE SE SE SE SE SE SE SE SE SE SE E E E
WIND SPD 9 10 12 13 11 8 9 9 9 11 14 13 12 13 12 12 13 14 13 14 12 11
WIND GUST 25 25 24 24 25 25 25 24 27 21
CLOUDS B2 B1 SC B1 SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC FW FW SC
POP 12HR 40 30 20 10 30
QPF 12HR 0.21 0.06 0.01-0.07 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC IS IS IS IS SC 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
HEAT INDEX 88 94 95 89 82 86 91 92 89 82 86 90 92 88 81
MAX HEAT 96 105 102 87 92 100 99 88 92 99 98
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 85 74 85 74 85 74 85
TEMP 75 81 85 78 74 81 85 78 74 81 85 78 74 81 85 78
DEWPT 71 72 72 72 72 72 71 72 71 72 72 72 72 73 73 73
PWIND DIR E E E SE SE E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC B1 B1 B1 SC SC FW FW SC SC SC SC SC SC
POP 12HR 30 40 40 40 20 30 30 40
RAIN SHWRS SC SC SC SC SC SC SC IS IS IS IS IS SC SC SC SC
PRZ003-312000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 90 67 75 79 75 85 91 68 75 80 75 85 91
TEMP 76 81 84 85 82 78 76 75 76 81 84 85 83 79 77 75 77 81 84 85 83 78
DEWPT 74 76 76 76 76 74 73 72 72 73 73 73 73 72 72 72 72 72 72 72 73 72
RH 94 85 77 75 82 88 90 90 87 77 70 67 72 79 85 90 85 74 67 65 72 82
WIND DIR E E SE SE SE E E E E E SE SE SE E E E E E E SE E E
WIND SPD 6 9 11 11 10 6 6 8 6 10 12 13 11 11 10 10 10 14 13 13 12 9
WIND GUST 23 23 21 17 25 27 23 21 20 20 20 28 28 26 24
CLOUDS B2 B1 SC FW FW SC SC SC SC SC FW FW FW FW FW SC SC SC SC CL CL SC
POP 12HR 40 30 20 10 20
QPF 12HR 0.17 0.06 0.03 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS IS IS IS SC 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
HEAT INDEX 87 93 95 89 81 86 91 92 89 82 86 90 92 88 81
MAX HEAT 96 105 104 86 93 101 100 87 93 100 99
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 85 74 85 74 85 74 85
TEMP 74 81 85 78 74 80 85 78 74 81 85 78 74 81 85 78
DEWPT 71 72 73 72 72 72 72 72 72 72 72 73 72 73 73 73
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC FW SC SC FW FW CL FW SC SC B1 B1 SC SC
POP 12HR 30 30 20 10 5 30 30 40
RAIN SHWRS IS SC SC IS IS IS IS IS IS SC SC SC IS SC
PRZ004-312000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 91 66 72 75 75 85 91 67 72 76 75 84 91
TEMP 74 79 83 85 81 76 74 72 74 79 83 85 82 77 74 72 74 80 83 84 81 76
DEWPT 73 75 75 75 74 73 72 71 70 72 72 71 71 71 71 71 70 71 71 71 71 71
RH 97 88 77 72 79 90 93 97 87 79 70 63 69 82 90 97 87 74 67 65 72 85
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E
WIND SPD 4 8 10 11 9 5 5 5 4 9 12 12 11 9 8 6 8 12 12 13 11 5
CLOUDS B1 B1 B1 SC SC FW FW FW SC FW FW FW FW FW FW FW FW SC SC CL CL SC
POP 12HR 40 30 10 10 10
QPF 12HR 0.03-0.21 0.01-0.06 0.00-0.05 0.02 0.01
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC IS IS IS IS IS SC 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
HEAT INDEX 83 91 93 86 82 88 90 86 82 88 90 85
MAX HEAT 95 106 104 84 92 101 99 85 92 99 98
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 71 83 71 84 71 84 71 84
TEMP 71 79 83 75 71 79 84 75 71 79 84 76 71 79 84 76
DEWPT 70 71 71 71 70 71 70 70 70 71 71 71 71 72 72 72
PWIND DIR E E E SE SE SE E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC SC SC FW CL FW FW SC SC SC SC SC
POP 12HR 20 20 30 30 5 20 20 40
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC
PRZ005-312000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 70 73 79 83 91 94 70 73 79 83 90 94
TEMP 75 83 88 90 85 79 76 74 76 84 89 91 87 79 76 74 76 83 89 90 86 79
DEWPT 72 76 78 79 78 76 74 72 71 74 74 74 73 72 72 71 71 73 73 73 72 72
RH 90 80 72 70 80 91 94 93 85 72 61 58 63 79 87 90 85 72 59 58 63 79
WIND DIR SE SE E E E SE SE SE SE SE E E SE SE SE SE SE SE E E E E
WIND SPD 4 5 9 8 4 5 6 6 6 6 10 12 8 9 6 5 5 8 12 16 13 8
WIND GUST 23 16 25 21 19 27 24
CLOUDS FW FW B1 B2 B2 FW CL CL FW FW CL FW FW CL CL CL CL CL CL FW FW CL
POP 12HR 70 0 5 0 5
QPF 12HR 0.06-1.07 0 0.00-0.12 0 0.00-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC NM 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
HEAT INDEX 92102106 97 82 91 98101 94 82 90 96 99 93 81
MAX HEAT 99 117 114 88 97 110 108 85 95 108 106
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 73 89 72 89 72 89 73 89
TEMP 74 82 89 78 73 82 89 78 73 83 89 78 73 82 89 79
DEWPT 71 72 75 73 71 73 73 72 71 73 73 72 72 74 75 73
PWIND DIR E E SE E SE E SE E
WIND CHAR LT GN LT GN LT GN GN GN
AVG CLOUDS CL FW FW SC SC SC FW FW CL CL FW FW CL FW SC B1
POP 12HR 0 20 20 5 0 5 5 40
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS
PRZ006-312000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 83 91 61 70 74 75 83 92 61 70 75 75 83 91
TEMP 72 78 82 83 80 75 72 70 72 78 82 83 80 75 72 70 72 78 82 83 80 75
DEWPT 70 72 74 74 73 72 71 69 68 70 71 70 69 69 69 69 69 69 69 69 68 68
RH 93 82 77 74 79 90 97 97 87 76 69 65 69 82 90 97 90 74 65 63 67 79
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E
WIND SPD 3 5 8 6 6 4 4 4 4 6 9 11 9 6 5 4 5 10 12 13 11 5
WIND GUST 21 21 19 24 25 21 19 17 17 17 27 27 26 23
CLOUDS SC SC B1 B1 B1 FW CL CL FW CL CL FW FW CL CL FW FW FW FW SC SC CL
POP 12HR 50 5 0 0 20
QPF 12HR 0.03-1.07 0.01 0 0 0.00-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC 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 81 87 90 83 80 86 88 83 80 85 87 82
MAX HEAT 96 110 108 94 105 102 83 92 102 100
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 70 82 69 82 69 83 70 82
TEMP 70 77 82 74 69 77 82 74 69 77 83 74 70 77 82 75
DEWPT 68 68 70 69 68 69 69 68 68 69 69 69 69 70 70 70
PWIND DIR E E SE SE SE SE E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS CL FW FW SC FW FW FW FW CL CL FW FW FW SC SC SC
POP 12HR 0 30 5 5 0 5 10 20
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ007-312000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 86 92 63 74 79 75 86 92 62 74 79 75 86 93
TEMP 75 81 85 86 83 78 76 74 76 81 85 86 83 78 76 74 76 81 85 86 83 78
DEWPT 72 73 75 75 75 74 72 71 70 71 72 72 71 71 70 70 70 70 70 71 71 71
RH 90 77 72 70 77 88 87 90 82 72 65 63 67 79 82 87 82 69 61 61 67 79
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 5 9 11 10 9 6 6 5 6 8 12 12 10 10 10 10 10 13 14 13 11 8
WIND GUST 21 24 24 21 18 19 17 17 18 25 27 24 24 26 25 26 28 28 27 24 20
CLOUDS SC SC SC FW SC SC FW CL FW CL CL FW FW CL CL FW FW CL CL SC SC CL
POP 12HR 30 10 5 10 10
QPF 12HR 0.02-0.19 0.01 0 0.01 0.00-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC 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 H
HEAT INDEX 86 93 95 90 81 85 90 92 88 81 85 90 92 88 80
MAX HEAT 95 109 105 87 92 101 100 87 93 101 100
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 73 86 73 86 73 86 73 86
TEMP 73 81 86 77 73 80 86 77 73 81 86 78 73 81 86 78
DEWPT 69 69 71 71 70 70 70 70 69 70 71 71 70 71 72 72
PWIND DIR E E E SE E SE E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS CL FW FW FW FW FW FW FW CL CL FW SC SC SC SC SC
POP 12HR 0 5 0 0 0 10 10 10
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS
PRZ008-312000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 93 68 72 79 83 88 94 68 72 79 83 88 94
TEMP 74 81 86 88 83 77 74 72 74 82 86 88 84 77 74 72 74 82 87 88 84 78
DEWPT 70 73 76 78 78 76 74 72 69 72 73 74 74 73 71 69 68 71 72 73 73 73
RH 87 77 72 72 85 97100100 84 72 65 63 72 87 90 90 82 69 61 61 70 85
WIND DIR SE E E NE NE S SE SE SE E NE NE NE S SE SE SE E E NE E E
WIND SPD 3 2 5 8 6 3 5 4 5 4 6 11 5 5 4 4 4 3 9 10 5 3
WIND GUST 16
CLOUDS CL CL B1 B2 OV SC CL CL CL CL CL FW SC CL CL CL CL CL CL B1 B1 CL
POP 12HR 70 30 30 0 40
QPF 12HR 1.08 0.02 0.09-0.19 0 0.01-0.10
SNOW 12HR MM MM MM
RAIN SHWRS SC SC NM SC IS SC SC SC
TSTMS IS IS
OBVIS H H H H H H H H H H H H H H H H H
HEAT INDEX 86 96101 93 86 93 97 91 86 93 96 91
MAX HEAT 93 114 111 89 93 110 108 86 93 109 107
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 87 71 87 71 87 71 87
TEMP 72 81 87 76 71 81 87 77 71 81 87 77 72 81 87 77
DEWPT 69 70 74 73 70 71 73 73 69 71 73 73 70 71 75 74
PWIND DIR E E SE E SE E E E
WIND CHAR LT GN LT GN LT GN GN GN
AVG CLOUDS CL CL SC B1 SC FW FW SC CL CL FW SC CL FW SC B1
POP 12HR 0 50 10 40 0 30 5 60
RAIN SHWRS SC SC IS IS SC SC SC SC NM NM
TSTMS IS IS
PRZ009-312000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 65 70 75 75 85 94 65 70 75 75 85 94
TEMP 72 79 83 85 81 76 73 71 73 79 84 85 82 75 73 70 72 79 84 85 81 75
DEWPT 69 72 74 75 75 73 72 70 68 70 71 71 70 70 69 68 68 69 69 70 69 70
RH 90 79 74 72 82 90 97 97 84 74 65 63 67 84 87 93 87 72 61 61 67 84
WIND DIR SE SE SE SE SE S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 3 5 6 4 3 3 4 4 4 5 6 5 4 5 5 5 5 8 10 9 9 4
WIND GUST 13 21 25 21 19 17 18 17 17 19 26 23 23 23 25 23 24 27 29 27 26 19
CLOUDS FW FW B1 B1 B2 SC CL CL CL CL CL SC SC CL CL CL CL CL CL B1 B1 CL
POP 12HR 60 30 20 0 40
QPF 12HR 0.05-1.08 0.02 0.00-0.18 0 0.01-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC NM SC IS IS SC SC
TSTMS IS
OBVIS H H H H H H H H H H H H H H H H H
HEAT INDEX 82 90 94 86 82 88 91 85 82 88 90 85
MAX HEAT 96 117 113 84 94 109 107 84 94 107 106
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 69 84 69 84 69 84 70 84
TEMP 70 78 84 74 70 78 84 74 70 78 84 75 70 78 84 75
DEWPT 67 68 71 70 68 69 70 69 67 68 70 70 68 69 72 71
PWIND DIR E E SE SE SE SE E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL SC SC FW FW FW SC CL CL FW SC FW FW SC B1
POP 12HR 0 60 0 40 0 40 5 60
RAIN SHWRS NM NM SC SC SC SC SC SC
TSTMS IS IS
PRZ010-312000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 89 94 67 73 79 76 90 94 66 73 79 76 90 94
TEMP 76 83 88 89 85 79 76 74 76 83 88 90 86 79 76 74 76 83 88 90 86 79
DEWPT 72 75 78 79 78 77 75 73 71 73 75 75 75 73 72 71 70 72 74 74 74 73
RH 87 77 72 73 80 94 97 97 85 72 66 62 70 82 87 90 82 70 63 60 68 82
WIND DIR E SE SE E NE E E E E E E NE E SE SE E E E SE E E SE
WIND SPD 5 6 8 6 6 4 8 9 9 10 8 8 6 9 10 9 9 11 13 9 9 8
WIND GUST 20 20 20 20 20 20 23 25 26 25 20 18 26 25 25 27 27 29 27 26 25
CLOUDS FW SC SC B1 B2 B1 FW CL CL CL CL SC SC CL CL CL CL CL CL SC SC CL
POP 12HR 60 40 10 0 40
QPF 12HR 0.01-1.08 0.01-0.10 0.00-0.19 0 0.00-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC 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 90101106 97 83 90 98101 95 82 89 97100 94 81
MAX HEAT 99 118 116 88 97 117 114 87 96 114 112
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 73 89 73 89 73 89 73 89
TEMP 73 82 89 78 73 82 89 78 73 83 89 79 73 83 89 79
DEWPT 70 71 75 74 71 72 74 73 70 72 74 73 71 73 75 74
PWIND DIR E E E E SE E E E
WIND CHAR GN GN GN GN GN GN GN LT
AVG CLOUDS CL CL FW SC FW FW FW SC CL CL FW SC FW FW SC B1
POP 12HR 0 60 0 40 0 40 0 60
RAIN SHWRS NM NM SC SC SC SC NM NM
TSTMS IS IS
PRZ011-312000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 91 94 73 75 79 83 91 94 73 75 79 83 91 94
TEMP 77 84 89 91 86 80 77 75 77 84 89 91 87 81 78 76 78 85 89 91 87 80
DEWPT 73 76 78 79 78 76 75 73 72 74 75 75 74 73 73 72 72 73 74 74 73 73
RH 87 77 70 68 77 88 94 94 85 72 64 60 65 77 85 87 82 67 61 58 63 79
WIND DIR E SE SE SE SE E E E E E SE SE SE E E E E E SE SE SE E
WIND SPD 10 13 14 14 12 11 13 12 12 13 16 14 14 16 16 16 16 18 19 17 17 13
WIND GUST 23 27 28 31 25 26 28 28 27 27 29 29 31 34 32 32 32 35 35 34 32 25
CLOUDS SC B1 FW SC FW SC CL CL FW CL CL CL FW CL CL CL CL CL CL FW FW CL
POP 12HR 40 20 0 0 5
QPF 12HR 0.02-0.22 0.01 0 0 0.00-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS SC 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 93103107 98 86 91 99101 95 85 91 98100 95 84
MAX HEAT 98 115 111 88 96 107 106 86 95 106 104
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 90 74 90 74 91 74 91
TEMP 75 84 90 80 74 84 90 80 75 84 91 80 75 84 91 80
DEWPT 71 71 74 74 72 73 73 73 71 72 74 73 72 73 75 74
PWIND DIR E E E SE E SE E SE
WIND CHAR GN BZ GN BZ GN BZ GN GN
AVG CLOUDS CL CL FW FW FW FW FW FW CL CL FW FW FW FW SC SC
POP 12HR 0 5 0 0 0 5 5 30
RAIN SHWRS IS IS IS IS IS IS
TSTMS IS
PRZ012-312000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 86 92 79 83 87 92 79 83 86 92
TEMP 79 83 86 86 84 81 80 79 80 83 86 87 85 81 80 79 80 83 86 86 84 81
DEWPT 76 77 77 76 75 75 74 74 73 74 74 74 74 74 74 74 73 74 74 74 74 74
RH 91 82 75 72 74 82 82 85 79 74 68 65 70 79 82 85 79 74 68 68 72 79
WIND DIR SE SE SE SE SE E E E E E SE SE SE SE E SE SE SE SE E E E
WIND SPD 16 17 17 17 14 14 13 12 16 17 18 17 17 19 20 21 20 20 19 18 17 18
CLOUDS SC SC SC CL CL CL SC SC SC SC SC SC CL SC SC FW FW CL CL SC SC SC
POP 12HR 10 20 20 10 10
QPF 12HR 0.01 0.04 0.03 0.02 0.01
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 H
HEAT INDEX 83 92 96 97 92 87 83 81 83 90 93 95 92 87 84 82 83 90 93 94 91 86
MAX HEAT 99 106 104 90 97 102 101 90 96 102 101
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 86 78 86 78 86 78 86
TEMP 78 83 86 81 78 83 86 81 78 83 86 81 78 83 86 81
DEWPT 73 74 74 74 74 74 74 74 73 74 74 74 74 75 75 75
PWIND DIR E E E SE E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC B2 B1 SC FW SC SC SC SC SC SC SC SC
POP 12HR 10 50 50 20 20 20 30 40
RAIN SHWRS IS IS IS SC SC SC IS IS IS IS IS IS IS SC SC SC
PRZ013-312000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 86 89 77 83 86 89 77 83 86 89
TEMP 78 82 85 86 84 80 79 77 79 83 85 86 84 81 79 77 79 83 85 86 84 80
DEWPT 75 76 76 75 74 74 73 73 73 74 73 73 73 73 73 73 72 73 73 73 73 73
RH 91 82 75 70 72 82 82 87 82 74 67 65 70 77 82 87 79 72 67 65 70 79
WIND DIR SE SE SE SE SE E E E E SE SE SE SE SE E E E E E E E E
WIND SPD 16 17 14 16 13 12 12 12 13 16 17 16 16 18 18 20 20 19 17 17 14 18
CLOUDS B1 SC FW SC SC SC SC SC SC SC SC FW FW SC SC SC SC CL CL CL CL SC
POP 12HR 20 20 30 10 20
QPF 12HR 0.01-0.21 0.05 0.04 0.03 0.01
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS SC 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 95 95 91 85 80 80 89 92 94 90 85 81 80 88 92 93 90 84
MAX HEAT 95 101 100 86 92 98 97 87 91 98 97
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 86 77 86 77 86 77 86
TEMP 77 82 86 80 77 82 86 80 77 82 86 80 77 82 86 80
DEWPT 72 73 73 73 73 73 72 73 72 73 73 73 73 74 74 74
PWIND DIR E E E SE E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC B1 SC FW SC SC SC SC SC SC SC SC SC
POP 12HR 20 50 50 10 20 30 30 40
RAIN SHWRS IS IS IS SC SC SC IS IS IS IS IS IS SC SC SC SC
VIZ001-312000-
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 SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 85 90 73 78 80 83 85 90 73 78 80 83 85 90
TEMP 79 82 84 85 83 80 79 78 79 82 84 85 83 80 79 78 79 82 84 85 83 80
DEWPT 76 76 76 75 74 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 72
RH 91 82 77 72 74 79 82 85 82 74 70 67 72 79 82 85 82 74 70 67 72 77
WIND DIR SE SE SE SE SE E E E E SE SE SE SE E E E SE E E E E E
WIND SPD 17 18 18 17 16 14 14 14 16 18 18 17 18 20 23 24 21 20 19 18 17 18
CLOUDS SC SC SC CL FW SC SC SC SC FW SC FW CL CL CL FW FW CL CL FW FW CL
POP 12HR 10 20 10 10 0
QPF 12HR 0.01 0.03 0.01 0.01 0
SNOW 12HR MM MM MM
RAIN SHWRS 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 H
HEAT INDEX 81 90 93 93 90 84 82 80 82 88 91 92 90 85 82 80 82 88 91 92 89 84
MAX HEAT 97 103 101 89 93 99 99 89 93 99 99
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 85 77 85 78 85 78 85
TEMP 77 82 85 80 77 82 85 80 78 82 85 80 78 82 85 80
DEWPT 72 73 73 73 73 73 73 72 73 73 73 73 74 74 74 74
PWIND DIR E E E SE E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS CL FW SC SC B2 B1 SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 50 50 20 20 20 30 40
RAIN SHWRS IS IS SC SC SC IS IS IS IS IS IS IS SC SC SC
VIZ002-312000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 AM AST SUN MAY 31 2026
DATE SUN 05/31/26 MON 06/01/26 TUE 06/02/26
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 86 93 77 83 86 93 77 83 86 93
TEMP 78 82 85 86 84 80 79 77 79 83 85 86 84 81 79 77 79 83 85 86 84 80
DEWPT 76 77 76 75 74 74 74 73 73 74 73 74 73 74 74 73 73 73 73 73 73 73
RH 94 85 75 70 72 82 85 87 82 74 67 68 70 79 85 87 82 72 67 65 70 79
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 14 17 18 14 13 13 12 12 13 16 17 17 17 16 18 20 19 18 19 19 16 16
WIND GUST 28 31
CLOUDS SC FW CL FW FW SC SC FW SC FW FW FW CL CL CL FW FW CL CL FW FW SC
POP 12HR 20 20 5 0 10
QPF 12HR 0.02 0.03 0.01 0.01 0.01
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 H
HEAT INDEX 80 91 94 95 90 85 80 80 89 93 94 91 85 81 80 89 92 94 90 84
MAX HEAT 98 106 104 88 96 103 102 88 95 103 102
DATE WED 06/03/26 THU 06/04/26 FRI 06/05/26 SAT 06/06/26
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 86 77 86 77 86 77 86
TEMP 77 82 86 80 77 82 86 80 77 82 86 80 77 82 86 80
DEWPT 72 73 74 73 73 73 73 73 73 73 74 74 74 74 74 74
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC
POP 12HR 30 30 30 10 20 20 30 30
RAIN SHWRS IS IS IS IS SC SC IS IS IS IS IS IS SC SC IS
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