588
FOCA52 TJSJ 182102
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 PM AST FRI JUL 18 2025
PRZ001-190800-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 72 76 82 80 88 90 72 76 82 79 87 89 72 76 82
TEMP 80 78 76 77 83 87 88 85 80 78 76 77 83 86 87 84 80 78 76 77 83
DEWPT 75 75 74 74 75 75 75 76 75 75 75 74 76 76 76 76 75 75 74 73 74
RH 85 91 94 90 77 68 66 75 85 91 97 90 80 72 70 77 85 91 94 87 74
WIND DIR E E E SE E E E E E SE SE SE E E E E E E E E E
WIND SPD 8 6 5 5 6 10 13 12 8 6 5 6 8 12 13 12 8 6 6 6 6
WIND GUST 24 24
CLOUDS SC B1 B1 B2 B1 B1 B2 B2 B1 SC B1 SC SC SC B1 B1 SC SC B2 B2 SC
POP 12HR 50 60 40 50 50
QPF 12HR 0.09-0.32 0.65-0.83 0.07-0.13 0.06-0.54 0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC SC NM SC IS SC SC SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS
HEAT INDEX 83 90 96 97 94 83 90 96 98 93 83 89
MAX HEAT 100 91 95 105 103 90 95 106 105 90 95
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 76 88 76 88 77 88 77 88
TEMP 87 80 76 83 88 80 77 83 88 81 77 84 88 80 77 83 88 80
DEWPT 74 74 74 76 77 76 75 76 76 76 75 76 76 76 75 76 71 71
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS SC B1 SC SC SC SC CL FW SC SC SC SC B1 B1 SC SC B1 SC
POP 12HR 40 30 30 5 30 40 40 40 40
RAIN SHWRS SC SC IS IS IS IS IS SC SC IS IS SC SC IS SC SC SC
TSTMS IS
PRZ002-190800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 76 82 74 85 90 66 76 82 73 84 89 66 76 82
TEMP 79 77 76 77 81 84 85 83 79 78 76 77 81 84 84 83 79 78 76 77 81
DEWPT 74 74 74 73 74 75 74 75 74 74 74 74 75 75 75 75 74 74 73 73 73
RH 85 90 94 87 79 74 70 77 85 88 94 90 82 74 74 77 85 88 90 87 77
WIND DIR NE E E E E E E E E E E E E E E E E E E E E
WIND SPD 9 9 8 8 8 10 10 10 8 8 8 9 10 11 12 10 8 9 9 9 10
WIND GUST 19 19 20 19 19
CLOUDS SC B1 B1 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC B2 B2 B1
POP 12HR 60 60 50 50 50
QPF 12HR 0.09-0.32 0.70-0.83 0.13 0.09-0.54 0.06
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC NM SC SC SC NM SC SC SC SC SC SC SC SC IS IS SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 82 87 92 93 90 83 87 91 92 89 82 86
MAX HEAT 100 92 94 101 100 90 95 100 100 90 92
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 76 85 77 85 77 86 77 85
TEMP 84 79 76 82 85 79 77 82 85 80 77 82 86 80 77 82 85 79
DEWPT 73 73 74 75 76 74 74 75 76 75 75 75 75 75 74 75 73 72
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B1 B1 SC FW SC SC B1 SC B1 B2 B1 B1 B1 B1 B1
POP 12HR 50 40 40 30 40 60 60 50 60
RAIN SHWRS SC SC SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS IS IS IS IS
PRZ003-190800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 75 82 75 86 92 68 76 82 74 85 91 68 76 82
TEMP 79 77 75 76 81 85 86 83 79 77 76 77 81 84 85 83 79 77 76 77 81
DEWPT 73 73 72 72 73 72 72 73 73 74 73 73 73 73 73 73 72 73 73 73 74
RH 82 87 90 87 77 65 63 72 82 90 90 87 77 70 67 72 79 87 90 87 79
WIND DIR NE NE NE NE E E E E E E E E E E E E E E E E E
WIND SPD 8 8 6 6 8 10 11 10 6 6 6 8 9 11 11 10 8 8 8 8 9
WIND GUST 21 25 23 24 25 23
CLOUDS FW FW FW FW SC B1 SC SC SC SC SC SC SC SC B1 B1 FW FW B2 B2 FW
POP 12HR 10 50 30 40 50
QPF 12HR 0.02-0.09 0.06-0.82 0.01-0.13 0.02-0.09 0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC SC SC IS IS IS IS SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS
HEAT INDEX 81 86 91 92 89 82 85 89 91 88 81 86
MAX HEAT 97 90 94 100 100 90 94 100 100 90 94
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 76 86 76 86 76 86 76 86
TEMP 85 79 76 82 86 79 76 82 86 80 77 82 86 79 76 82 86 79
DEWPT 73 73 74 75 76 75 74 75 76 75 75 75 73 73 73 74 71 70
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW SC B1 B1 SC FW CL FW SC SC SC SC B1 B1 SC SC B1 B1
POP 12HR 30 40 40 20 30 50 50 40 50
RAIN SHWRS IS SC SC SC IS IS IS SC SC IS SC SC SC SC SC SC SC
TSTMS IS IS IS
PRZ004-190800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 72 76 74 84 91 68 73 76 73 83 89 68 73 77
TEMP 76 74 73 74 79 83 84 81 76 75 73 74 79 82 83 81 76 75 73 74 79
DEWPT 73 73 72 72 73 73 73 73 72 72 72 72 74 74 73 73 72 72 71 71 72
RH 90 97 97 93 82 72 70 77 87 90 97 93 85 77 72 77 87 90 93 90 79
WIND DIR NE NE E E E E SE E E E E E E E E E E E E E E
WIND SPD 4 3 3 3 5 9 10 9 4 4 3 5 8 10 11 10 5 5 5 4 6
CLOUDS FW SC SC SC SC B2 B1 B2 FW SC SC SC SC SC SC SC FW FW B2 B2 FW
POP 12HR 30 60 30 30 50
QPF 12HR 0.02-0.32 0.07-0.82 0.01-0.13 0.01-0.54 0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC IS SC SC NM IS IS SC IS IS IS SC SC IS IS SC SC IS
TSTMS IS IS
HEAT INDEX 82 89 90 86 81 87 89 84 81
MAX HEAT 96 85 94 102 100 84 93 102 99 84 92
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 73 84 73 84 74 85 73 84
TEMP 83 76 73 80 84 77 73 80 84 77 74 80 85 77 74 80 84 77
DEWPT 71 71 72 74 74 73 72 74 74 73 73 74 74 73 72 74 70 69
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 SC SC SC FW FW FW SC B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 40 30 30 5 40 50 50 40 50
RAIN SHWRS SC SC IS SC SC IS IS SC SC IS SC SC SC IS SC SC SC
TSTMS IS IS IS IS IS
PRZ005-190800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 72 75 82 82 87 92 72 74 82 82 87 91 72 74 82
TEMP 79 77 75 76 82 86 87 84 79 77 75 76 82 86 87 84 78 77 75 76 82
DEWPT 76 76 75 74 76 76 78 77 76 75 74 73 76 77 78 77 76 75 74 73 75
RH 91 97100 94 82 72 75 80 91 94 97 90 82 75 75 80 94 94 97 90 79
WIND DIR E E E SE E E E E E SE SE SE E E E E E E E E E
WIND SPD 11 9 8 6 8 10 14 11 6 6 5 5 6 11 14 13 9 6 6 5 6
WIND GUST 27 23 27 26
CLOUDS SC SC SC SC SC SC B1 B2 B1 SC SC SC SC SC B1 B1 FW FW SC SC FW
POP 12HR 30 50 30 40 20
QPF 12HR 0.01-0.32 0.08-1.22 0.02-0.12 0.03-0.60 0.00-0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS SC IS IS SC SC SC IS SC IS IS IS SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS
HEAT INDEX 82 90 97100 94 80 89 97100 93 80 89
MAX HEAT 103 92 97 111 109 90 96 111 108 90 95
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 75 89 75 89 76 88 76 88
TEMP 87 79 75 83 89 80 76 83 89 80 77 83 88 80 76 83 88 80
DEWPT 76 74 74 76 78 76 75 76 78 76 75 76 78 76 75 76 70 71
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN BZ GN BZ GN BZ
AVG CLOUDS SC SC FW FW FW SC CL FW SC SC FW FW SC SC FW FW SC SC
POP 12HR 30 5 20 5 30 5 40 10 20
RAIN SHWRS SC SC IS IS IS IS SC SC IS SC SC IS IS IS
PRZ006-190800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 71 75 74 82 91 61 71 76 73 81 90 61 71 76
TEMP 75 73 71 72 77 81 82 79 75 73 71 72 77 80 81 79 74 73 71 72 77
DEWPT 72 72 71 70 72 72 73 73 71 71 70 70 72 73 73 73 71 71 70 70 72
RH 90 97100 93 85 74 74 82 87 93 97 93 85 79 77 82 90 93 97 93 85
WIND DIR NE NE E E E E SE SE E E E E E E E E E E E E E
WIND SPD 5 3 3 3 4 8 8 6 4 3 3 4 5 9 9 8 4 4 4 3 5
WIND GUST 21 24 19 24 23 20
CLOUDS SC FW FW FW FW B1 B1 B2 FW FW SC FW FW FW SC SC CL CL SC SC CL
POP 12HR 10 60 10 40 20
QPF 12HR 0.01-0.12 0.06-1.25 0.00-0.08 0.00-0.60 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS SC SC NM IS IS IS IS IS SC SC SC SC
TSTMS IS IS IS IS
HEAT INDEX 84 86 82 84 85 81
MAX HEAT 97 84 93 103 102 83 91 102 100 83 92
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 71 83 71 83 72 84 72 83
TEMP 82 74 71 78 83 75 72 79 83 76 73 79 84 76 72 79 83 76
DEWPT 71 69 71 73 74 72 71 73 73 72 72 73 73 72 71 72 67 68
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW SC SC CL FW FW SC FW FW SC SC CL FW SC SC
POP 12HR 30 5 30 0 40 5 50 10 40
RAIN SHWRS SC SC IS IS IS IS SC SC IS SC SC IS IS IS
TSTMS IS IS IS
PRZ007-190800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 82 74 86 92 63 75 82 73 85 91 63 75 82
TEMP 78 76 75 75 81 85 86 83 78 77 75 76 81 84 85 83 78 77 75 76 81
DEWPT 72 71 70 69 70 71 71 72 72 71 71 70 71 71 71 72 71 70 70 69 71
RH 82 85 84 82 69 63 61 70 82 82 87 82 72 65 63 70 79 79 84 79 72
WIND DIR NE NE NE NE E SE SE SE E E E E E SE SE SE E E E E E
WIND SPD 6 4 4 4 4 10 10 8 5 4 4 5 6 12 10 10 6 6 5 5 6
WIND GUST 23 24 20 26 25 23
CLOUDS SC FW CL CL FW SC SC SC FW CL CL CL FW FW SC SC FW FW FW FW CL
POP 12HR 20 30 0 10 0
QPF 12HR 0.03 0.01-1.06 0 0.00-0.05 0.01
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 81 85 90 91 88 81 84 89 90 87 80 85
MAX HEAT 99 90 91 101 99 89 92 100 98 89 93
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 87 75 88 76 88 75 87
TEMP 85 78 75 82 87 79 75 83 88 80 76 83 88 80 76 82 87 79
DEWPT 71 70 70 72 74 73 71 72 73 72 71 72 71 71 70 71 69 69
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW FW FW CL FW FW SC CL FW SC SC CL FW SC SC
POP 12HR 30 5 5 0 20 0 50 0 50
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC IS
TSTMS IS IS IS
PRZ008-190800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 74 82 82 85 92 69 73 82 81 85 91 69 73 82
TEMP 78 76 74 75 81 84 85 83 77 75 74 75 80 84 85 82 77 75 73 75 80
DEWPT 75 75 74 73 74 74 75 75 75 74 73 72 74 75 76 75 75 74 72 71 73
RH 91 97100 94 79 72 72 77 94 97 97 90 82 74 75 79 94 97 97 87 79
WIND DIR E E E E E NE E E E E E E E E E E E E E E E
WIND SPD 13 11 10 8 9 8 9 8 6 6 5 6 6 6 11 11 9 6 8 6 6
WIND GUST 25 21 20 18 20 18 17 24 24 19
CLOUDS FW SC FW SC SC FW B2 B2 B1 SC SC SC CL CL B2 B2 SC SC FW FW FW
POP 12HR 10 70 40 60 10
QPF 12HR 0.02 0.65-1.24 0.02-0.11 0.05-0.62 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS NM NM SC IS IS IS NM NM IS IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 85 92 95 89 84 92 95 88 83
MAX HEAT 102 91 96 107 106 90 94 108 106 90 94
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 73 87 74 87 74 87 74 86
TEMP 85 77 74 82 87 78 75 82 87 79 75 82 87 78 75 81 86 78
DEWPT 74 73 72 74 77 75 73 74 77 75 74 74 77 75 74 74 71 70
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN BZ GN BZ GN BZ
AVG CLOUDS SC SC FW FW FW SC FW FW SC SC CL CL FW SC CL FW SC B1
POP 12HR 40 0 40 0 40 0 40 0 60
RAIN SHWRS SC SC SC SC SC SC SC SC NM IS
TSTMS IS IS IS IS IS
PRZ009-190800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 64 71 74 74 82 92 64 71 75 73 82 91 64 71 76
TEMP 75 73 71 72 78 81 82 80 75 73 71 72 77 81 82 79 74 73 71 72 78
DEWPT 72 72 71 69 72 72 73 73 72 72 71 69 72 72 74 73 72 71 70 68 71
RH 90 97100 90 82 74 74 79 90 97100 90 85 74 77 82 93 93 97 87 79
WIND DIR NE E E E E E E E E E E E E E E E E E E E E
WIND SPD 6 5 4 4 4 4 3 3 3 3 3 4 4 5 5 4 4 4 4 4 4
WIND GUST 17 20 20 25 24
CLOUDS SC FW CL CL FW SC B2 OV FW FW FW FW CL CL B1 B1 FW FW CL CL CL
POP 12HR 20 80 0 60 5
QPF 12HR 0.02 0.05-1.25 0.01 0.00-0.61 0
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM D IS IS IS NM NM IS IS
TSTMS IS SC IS IS
HEAT INDEX 86 88 83 84 87 82
MAX HEAT 99 91 105 103 83 91 105 103 83 92
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 71 84 71 84 72 84 72 84
TEMP 82 74 71 79 84 76 72 79 84 76 72 79 84 76 72 79 84 76
DEWPT 71 70 69 72 74 73 71 72 74 72 71 72 74 72 71 72 66 67
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW SC SC CL CL SC SC CL CL SC B1 CL CL SC B1
POP 12HR 50 0 50 0 50 0 60 0 70
RAIN SHWRS SC SC NM NM SC SC NM NM NM IS
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-190800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 74 82 75 87 92 69 74 82 74 86 91 69 74 82
TEMP 79 76 74 75 82 86 87 84 79 77 75 76 82 85 86 83 78 76 75 76 82
DEWPT 75 74 73 72 74 75 76 76 75 74 73 72 74 76 77 76 75 74 73 71 73
RH 88 94 97 90 77 70 70 77 88 90 94 87 77 75 75 80 91 94 94 85 74
WIND DIR NE E E E E E E E E E E E E E E E E E E E E
WIND SPD 12 10 10 6 5 4 4 4 5 5 5 6 6 5 6 5 5 8 8 6 6
WIND GUST 27 24 26 18 18 21 20 20 17 16 23 21 23
CLOUDS SC FW FW FW FW CL B2 B2 B1 SC FW FW CL CL B1 B1 B1 B1 CL CL CL
POP 12HR 30 70 30 40 40
QPF 12HR 0.01-0.10 0.04-1.24 0.00-0.07 0.01-0.62 0.03
SNOW 12HR MM MM MM
RAIN SHWRS IS NM D SC IS NM NM SC SC
TSTMS IS SC IS IS IS
HEAT INDEX 80 87 95 98 93 80 87 95 98 92 87
MAX HEAT 103 92 94 109 106 90 94 109 106 90 93
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 74 88 74 89 75 89 75 88
TEMP 87 78 74 83 88 79 75 83 89 80 76 83 89 79 75 83 88 79
DEWPT 75 73 71 73 77 76 73 74 77 76 74 74 77 76 73 74 71 70
PWIND DIR E E E E E E E E E
WIND CHAR LT LT GN LT GN GN GN GN GN
AVG CLOUDS FW SC FW FW FW SC FW FW SC SC FW FW SC SC CL FW SC B1
POP 12HR 50 0 50 0 50 0 60 0 70
RAIN SHWRS SC SC NM NM IS NM NM NM NM NM NM
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-190800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 74 82 83 90 92 72 75 82 83 89 91 72 76 82
TEMP 79 77 75 76 83 88 90 86 80 78 76 77 83 88 89 85 80 78 76 77 84
DEWPT 74 73 72 71 71 72 73 74 73 73 72 72 73 74 73 74 73 72 72 71 73
RH 85 87 90 85 67 59 58 68 79 85 87 85 72 63 59 70 79 82 87 82 70
WIND DIR NE E E E E SE SE SE E E E E E SE SE SE E E E E E
WIND SPD 6 5 4 5 5 11 11 9 9 8 8 8 10 14 14 11 10 11 9 10 10
WIND GUST 24 24 20 19 19 19 20 28 28 23 23 25 23 24 20
CLOUDS B1 FW CL CL FW FW SC SC SC FW FW FW FW FW FW FW SC SC FW FW CL
POP 12HR 40 20 10 30 30
QPF 12HR 0.04 0.01-1.07 0.01 0.01 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS SC SC
TSTMS IS
HEAT INDEX 81 88 96 98 94 83 89 96 97 93 83 90
MAX HEAT 101 92 92 105 103 89 92 103 102 89 93
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 74 90 75 91 76 91 75 91
TEMP 89 79 75 84 90 80 76 85 91 81 76 85 91 80 76 84 91 80
DEWPT 74 73 70 73 77 76 72 73 77 76 72 74 74 74 71 72 72 70
PWIND DIR E E E E E E E E E
WIND CHAR GN GN BZ GN BZ GN BZ LT BZ
AVG CLOUDS FW SC FW FW FW FW CL FW FW FW CL CL FW SC CL CL FW SC
POP 12HR 20 0 5 0 10 0 50 0 50
RAIN SHWRS IS IS IS IS IS IS SC SC SC IS
TSTMS IS IS IS IS
PRZ012-190800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 76 79 82 83 86 91 80 83 86 90 80
TEMP 82 81 79 80 84 86 86 85 82 81 80 81 84 85 86 85 82 81 80 81 84
DEWPT 76 76 75 75 75 76 76 76 75 76 75 75 76 77 77 76 75 76 75 74 74
RH 82 85 88 85 74 72 72 75 79 85 85 82 77 77 75 75 79 85 85 79 72
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 17 17 14 14 13 12 12 12 12 14 16 16 16 14 14 13 14 16 14 16 16
CLOUDS SC B1 B2 B2 SC SC SC B1 B1 B1 B2 B1 SC SC B1 B1 SC SC SC SC B1
POP 12HR 50 40 50 40 30
QPF 12HR 0.32 0.06-0.70 0.12 0.09 0.04
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS SC IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC
TSTMS IS IS IS
HEAT INDEX 89 87 82 84 92 95 96 95 89 87 83 85 92 96 96 94 89 87 83 85 91
MAX HEAT 100 92 95 102 102 91 95 102 101 91 96
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 80 87 80 87 80 87 80 87
TEMP 86 82 80 84 87 82 80 84 87 82 80 84 87 82 80 84 87 82
DEWPT 75 75 76 76 77 76 76 76 77 77 76 76 78 77 76 76 74 74
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR 40 40 40 20 20 30 40 40 60
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS
PRZ013-190800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 75 78 82 83 86 90 76 79 82 83 86 89 76 79 82
TEMP 81 79 78 79 83 85 86 85 81 80 79 80 83 85 86 84 81 80 79 80 83
DEWPT 75 75 74 74 74 75 74 74 74 75 74 74 75 75 74 75 74 74 74 73 73
RH 82 88 88 85 74 72 68 70 79 85 85 82 77 72 68 74 79 82 85 79 72
WIND DIR NE E E E E E E E E E E E E E E E E E E E E
WIND SPD 17 17 14 14 13 12 12 12 12 13 16 16 16 14 13 12 14 16 14 14 16
CLOUDS FW SC B1 B1 FW B1 B1 B1 B1 B1 B2 B1 SC SC B1 B1 SC SC SC SC B1
POP 12HR 50 40 50 40 30
QPF 12HR 0.08-0.29 0.04-0.83 0.12 0.08 0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS SC SC SC SC SC SC SC IS IS SC SC SC SC IS IS SC
TSTMS IS IS IS IS IS
HEAT INDEX 86 82 80 90 94 94 92 87 84 80 82 90 93 94 92 86 83 80 82 89
MAX HEAT 96 91 93 99 99 90 94 99 98 89 93
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 79 87 79 87 79 87 79 87
TEMP 86 81 79 84 87 81 79 84 87 81 79 84 87 81 79 84 87 81
DEWPT 73 74 74 75 75 75 74 75 75 75 75 75 75 75 75 76 73 73
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 SC B1 B1 B1 B2
POP 12HR 40 40 40 30 30 50 50 50 60
RAIN SHWRS SC SC SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC NM
TSTMS IS IS
VIZ001-190800-
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
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 78 82 83 85 91 71 79 82 82 84 90 71 79 82
TEMP 81 79 78 79 82 84 85 83 81 80 79 80 82 84 84 83 80 79 79 79 82
DEWPT 75 76 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 74 74
RH 82 91 91 88 79 74 72 77 82 85 88 85 79 74 74 77 85 88 88 85 77
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 17 16 16 13 13 12 12 12 13 14 16 16 16 16 14 12 16 17 14 17 17
CLOUDS SC B1 B1 B1 FW SC SC B1 SC SC B2 B1 SC SC SC SC SC SC FW FW B1
POP 12HR 40 30 50 30 30
QPF 12HR 0.11 0.04-0.12 0.11 0.04-0.10 0.04
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC IS IS IS SC SC SC SC SC IS IS IS IS SC SC IS IS SC
TSTMS IS IS
HEAT INDEX 85 83 80 82 89 92 93 91 85 84 81 83 89 92 92 90 84 83 80 82 88
MAX HEAT 99 91 96 102 102 93 96 102 101 91 96
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 79 85 79 85 79 85 79 85
TEMP 84 80 79 83 85 81 79 83 85 81 79 83 85 81 79 83 85 81
DEWPT 74 75 75 76 76 75 75 76 76 76 76 76 76 76 76 76 73 72
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC SC SC SC SC SC FW SC SC FW FW SC SC SC FW
POP 12HR 20 20 20 20 20 20 20 20 20
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ002-190800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 PM AST FRI JUL 18 2025
DATE 07/18/25 SAT 07/19/25 SUN 07/20/25 MON
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 75 79 82 83 86 92 76 79 82 83 85 91 76 79 82
TEMP 81 80 79 79 83 85 86 84 81 80 79 80 83 85 85 84 81 80 79 80 83
DEWPT 75 75 75 74 75 75 75 75 75 75 75 75 75 76 75 75 74 75 74 73 74
RH 82 85 88 85 77 72 70 74 82 85 88 85 77 75 72 74 79 85 85 79 74
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 14 14 13 12 12 13 12 11 11 13 13 12 14 16 14 13 12 13 13 16 17
CLOUDS FW SC SC SC CL SC B1 B1 B1 SC SC SC SC SC SC SC SC SC FW FW SC
POP 12HR 30 50 30 20 20
QPF 12HR 0.04-0.10 0.07-0.82 0.04-0.12 0.01-0.08 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS SC SC SC IS SC IS IS IS IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 87 84 80 82 90 94 95 93 87 84 80 83 90 93 94 91 85 83 80 82 89
MAX HEAT 100 91 96 105 103 90 96 103 101 89 95
DATE 07/21 TUE 07/22/25 WED 07/23/25 THU 07/24/25 FRI 07/25/25
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 79 86 79 86 79 86 79 86
TEMP 85 81 79 83 86 81 79 84 86 82 79 83 86 81 79 83 86 81
DEWPT 74 75 75 76 76 75 75 76 76 76 76 76 76 76 76 76 73 73
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 10 20 20 20 20 20 40
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC
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