527  
FOCA52 TJSJ 261832  
PFMSJU  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
232 PM AST SUN JUL 26 2026  
 
PRZ001-270800-  
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN  
18.43N 66.00W ELEV. 9 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 78 92 79 93 79  
TEMP 88 82 80 79 80 86 91 92 89 83 81 80 81 87 92 93 90 84 81 80 81 87  
DEWPT 76 76 76 75 75 75 75 77 76 76 76 75 75 76 76 77 77 77 76 76 76 77  
RH 68 82 88 88 85 70 60 62 66 80 85 85 82 70 60 60 66 80 85 88 85 72  
WIND DIR E E E E E E E E E E E SE SE E E E E E E E E E  
WIND SPD 14 11 8 6 6 10 13 17 13 9 8 6 8 11 17 19 13 10 10 11 11 13  
CLOUDS B1 SC B1 SC SC OV OV SC SC B1 B1 B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1  
POP 12HR 70 70 60 60 40  
QPF 12HR 0.22 0.21 0.20 0.51 0.10  
RAIN SHWRS C C C C C L L S S C C L C C C L L S S C C C  
TSTMS S S S S S S S S  
HEAT INDEX 99 90 86 84 96102106100 92 88 84 87 98105108102 93 88 84 87 98  
MAX HEAT 103 89 96 106 104 90 98 108 106 91 98  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
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 92 80 92 80 91 79 91 79 92  
TEMP 92 84 80 87 92 84 80 87 91 83 80 86 91 83 80 87 92 83  
DEWPT 77 77 76 76 76 76 75 76 76 76 75 76 76 76 75 76 73 73  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ GN BZ GN BZ GN BZ GN GN  
AVG CLOUDS B1 SC FW SC SC FW FW FW FW FW CL FW SC FW SC SC B2 B1  
POP 12HR 40 10 10 0 10 20 20 50 60  
RAIN SHWRS C C S S S S S S S S S S C L L  
TSTMS S S S  
 

 
PRZ002-270800-  
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR  
18.25N 65.63W ELEV. 39 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 80 91 80 91 81  
TEMP 88 83 82 80 81 87 90 91 88 84 82 80 81 87 90 91 88 84 83 81 82 86  
DEWPT 76 76 76 75 75 75 75 76 76 76 76 76 76 76 76 77 77 76 77 76 76 77  
RH 68 80 82 85 82 68 62 62 68 77 82 88 85 70 64 64 70 77 82 85 82 75  
WIND DIR E E E E E E SE SE SE E E E E E E E E E E E E E  
WIND SPD 13 10 9 9 8 10 10 11 10 8 9 9 10 13 16 14 11 11 11 12 13 16  
CLOUDS B1 B2 SC B1 B2 OV OV B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2  
POP 12HR 70 70 60 60 50  
QPF 12HR 0.33 0.27 0.23 0.53 0.13  
RAIN SHWRS C C C C L L L C C C C L C C C L L C C C C C  
TSTMS S S S S S S S S S S S S S  
HEAT INDEX 98 92 89 86 88 96101103 99 92 89 86 88 97102104100 94 91 88 90 98  
MAX HEAT 101 91 96 103 102 91 97 104 103 93 98  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
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 81 90 81 90 80 90 80 90  
TEMP 90 84 81 86 90 84 81 86 90 83 81 86 90 83 81 86 90 83  
DEWPT 77 77 76 76 76 76 76 76 76 76 75 75 75 76 76 76 75 74  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ GN GN GN GN GN GN  
AVG CLOUDS SC FW SC SC SC SC SC SC SC SC SC SC SC FW SC B1 B2 B1  
POP 12HR 50 20 20 20 20 30 30 50 60  
RAIN SHWRS C S S S S S S S S S S C C C C C L L  
TSTMS S S S  
 

 
PRZ007-270800-  
MERCEDITA AIRPORT-PONCE PR  
18.02N 66.56W ELEV. 26 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 90 77 91 78  
TEMP 88 82 79 78 79 85 89 90 87 81 79 78 79 85 90 91 88 82 80 79 80 85  
DEWPT 75 74 73 72 72 72 73 74 74 74 73 72 72 73 74 75 74 74 73 72 73 73  
RH 66 77 82 82 79 65 59 60 65 79 82 82 79 67 60 60 63 77 79 79 79 67  
WIND DIR SE E NE NE NE E SE SE SE E NE NE NE E SE SE SE E E NE E E  
WIND SPD 13 10 5 5 5 4 14 11 9 5 5 4 4 8 13 12 11 6 4 4 6 10  
WIND GUST 24 24  
CLOUDS SC FW FW SC SC SC SC SC SC SC SC FW SC FW FW SC SC CL CL CL CL FW  
POP 12HR 10 20 10 10 5  
QPF 12HR 0.02 0.03 0.01 0.01 0  
RAIN SHWRS S S S S S S S S S S S S  
HEAT INDEX 97 88 83 91 97 99 95 87 83 92 99102 97 89 84 83 92  
MAX HEAT 100 86 91 99 98 86 92 102 101 87 92  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
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 78 92 78 91 77 90 77 91  
TEMP 90 82 78 86 92 83 79 86 91 82 78 85 90 81 78 86 91 82  
DEWPT 75 74 73 72 73 73 72 71 73 73 72 71 73 74 72 72 73 75  
PWIND DIR E E E E E E SE E E  
WIND CHAR BZ GN BZ LT GN LT GN GN GN  
AVG CLOUDS SC SC FW FW CL CL CL FW SC FW CL FW FW CL CL FW FW FW  
POP 12HR 30 0 0 20 20 10 10 5 10  
RAIN SHWRS C C S S S S S S  
 

 
PRZ008-270800-  
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR  
18.50N 67.13W ELEV. 237 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 76 89 76 89 77  
TEMP 85 80 78 76 78 84 88 89 86 80 78 77 78 84 88 89 86 81 79 77 79 84  
DEWPT 77 77 77 75 74 76 77 78 77 77 77 75 74 76 77 79 78 78 77 76 76 77  
RH 77 91 97 97 88 77 70 70 75 91 97 94 88 77 70 73 77 91 94 97 91 80  
WIND DIR E E E E E E E SE NE NE SE E E E NE NE NE E E E E E  
WIND SPD 11 13 10 9 12 11 9 6 3 4 3 5 5 6 3 11 10 2 5 11 11 12  
CLOUDS B1 SC FW SC SC SC FW B2 B2 B2 SC SC FW CL CL OV OV SC SC FW FW FW  
POP 12HR 30 70 60 70 30  
QPF 12HR 0.09 1.13 0.16 1.14 0.04  
RAIN SHWRS C C S S S L L L C S S L L C C  
TSTMS S S S S S S  
HEAT INDEX 96 87 92100103 96 87 92100105 98 89 94  
MAX HEAT 100 84 92 103 102 85 92 105 103 88 94  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 89 77 90 77 88 77 88 76 89  
TEMP 89 81 77 85 90 81 78 84 88 81 78 84 88 80 77 84 89 81  
DEWPT 78 78 76 76 78 77 76 76 77 77 75 76 77 77 75 76 74 74  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN BZ BZ BZ GN GN GN GN  
AVG CLOUDS SC B1 CL CL FW SC CL CL SC SC CL CL SC SC CL CL FW B1  
POP 12HR 60 0 30 0 50 0 50 0 60  
RAIN SHWRS L L C C C C C C C L  
TSTMS S S S S S S S  
 

 
PRZ010-270800-  
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR  
18.27N 67.15W ELEV. 28 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 74 93 75 93 75  
TEMP 88 80 77 75 76 85 91 93 89 81 78 76 77 86 92 93 89 81 78 76 77 85  
DEWPT 78 77 77 75 74 76 78 80 77 77 76 75 74 76 78 81 78 77 77 75 76 77  
RH 72 91100100 94 75 66 66 68 88 94 97 90 72 64 68 70 88 97 97 97 77  
WIND DIR E NE E NE E E SW SE NW NE E E E E SE NE NE E E E E E  
WIND SPD 4 5 4 5 6 5 3 3 2 4 3 4 5 4 6 6 8 1 2 5 5 4  
CLOUDS OV B2 FW FW FW CL CL B2 OV B1 SC CL CL CL CL OV OV SC SC CL CL FW  
POP 12HR 50 80 30 70 30  
QPF 12HR 0.16 1.22 0.03 1.14 0.04  
RAIN SHWRS L C L D C S L L C C  
TSTMS S S S S S S  
HEAT INDEX 100 87 95106112101 88 96107113103 89 96  
MAX HEAT 107 83 95 112 109 86 96 113 110 87 96  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
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 92 76 92 76 92 75 92 75 92  
TEMP 92 81 77 86 92 81 77 86 92 81 76 86 92 81 76 86 92 81  
DEWPT 79 77 75 76 79 77 74 75 78 77 74 76 78 77 75 76 73 74  
PWIND DIR E E E E E E E E SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 CL CL FW SC CL CL SC SC CL CL SC SC CL CL FW B1  
POP 12HR 60 0 40 0 50 0 50 0 60  
RAIN SHWRS L L C C C C C C C L  
TSTMS S S S S S S S S S  
 

 
VIZ001-270800-  
CYRIL E. KING AIRPORT-ST THOMAS USVI  
18.33N 64.97W ELEV. 23 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 81 92 82 93 82  
TEMP 89 84 83 81 82 88 91 92 89 85 84 82 83 89 92 93 90 86 84 82 83 88  
DEWPT 76 76 76 76 75 75 75 76 75 76 76 76 76 76 76 77 76 77 77 77 77 77  
RH 66 77 80 85 79 66 60 60 64 75 77 82 80 66 60 60 64 75 80 85 82 70  
WIND DIR E E E E E E E SE E E E E E E E E E E E E E E  
WIND SPD 16 16 16 10 16 14 13 13 12 14 16 16 14 19 19 18 14 16 17 18 19 21  
CLOUDS B1 SC SC B1 B2 B2 SC B1 B1 B1 B1 B2 B1 B1 B1 SC SC B1 B1 SC SC B1  
POP 12HR 60 60 50 40 40  
QPF 12HR 0.37 0.25 0.09 0.07 0.12  
RAIN SHWRS C C S C L L C C C C C C C C C S S C C C C C  
TSTMS S S S S S  
HEAT INDEX 99 93 91 88 89 97102104100 95 92 90 92100105107103 96 94 91 93100  
MAX HEAT 102 92 97 104 103 94 100 107 106 95 100  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
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 92 82 92 82 92 82 92 82 92  
TEMP 92 85 82 88 92 85 82 88 92 85 83 88 92 85 83 88 92 85  
DEWPT 76 77 76 76 76 76 76 76 76 76 75 76 75 76 76 76 76 76  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B1 SC  
POP 12HR 40 10 10 10 10 20 50 50 50  
RAIN SHWRS C S S S S S S S S S S S S C C C C C  
TSTMS S S S S  
 

 
VIZ002-270800-  
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI  
17.70N 64.80W ELEV. 74 FT  
232 PM AST SUN JUL 26 2026  
 
DATE 07/26/26 MON 07/27/26 TUE 07/28/26 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 91 80 92 80  
TEMP 87 83 81 79 81 86 90 91 88 84 82 80 82 87 91 92 89 84 82 80 81 87  
DEWPT 76 76 76 76 76 76 76 77 76 76 77 77 77 77 77 77 77 77 77 77 77 77  
RH 70 80 85 91 85 72 64 64 68 77 85 91 85 72 64 62 68 80 85 91 88 72  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 14 13 13 11 11 13 12 12 11 11 13 13 12 16 18 18 14 12 13 17 18 19  
CLOUDS B1 SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC  
POP 12HR 60 60 40 40 40  
QPF 12HR 0.26 0.25 0.09 0.09 0.11  
RAIN SHWRS C C S C L L C C C C C C C C C C C C C C C S  
TSTMS S S S S S S  
HEAT INDEX 98 91 87 84 86 96101104 99 93 90 87 89 99104106101 94 90 87 89 99  
MAX HEAT 102 90 96 104 103 92 99 106 105 93 99  
 
DATE 07/29 THU 07/30/26 FRI 07/31/26 SAT 08/01/26 SUN 08/02/26  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 91 81 91 80 90 80 90 80 91  
TEMP 91 84 81 87 91 84 80 86 90 83 81 86 90 83 81 87 91 84  
DEWPT 77 77 77 77 76 77 76 76 76 76 76 76 76 76 76 77 74 75  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC CL CL FW FW FW SC SC SC SC SC SC SC FW SC SC SC SC  
POP 12HR 20 10 10 10 10 20 30 30 30  
RAIN SHWRS S S S S S S S S S S S C C C C C  
 

 
 
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