Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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359 FOCA52 TJSJ 132103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sun Jul 13 2025 PRZ001-140800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 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 89 77 90 78 Temp 81 79 78 79 84 88 89 86 81 79 77 79 85 89 90 87 82 80 78 79 85 Dewpt 73 74 73 72 73 72 73 74 73 73 73 72 73 74 75 75 75 75 74 74 75 RH 77 85 85 79 70 59 59 68 77 82 87 79 67 61 62 68 79 85 88 85 72 Wind dir E E E SE E E E E E E SE E E E E E E E E E E Wind spd 10 8 6 9 10 14 14 13 10 9 9 9 8 14 17 13 12 12 11 10 11 Clouds SC B1 SC SC FW SC B2 B2 CL FW FW SC CL CL B1 B1 SC SC SC SC B2 PoP 12hr 40 50 20 40 60 QPF 12hr 0.09 0.26 0.02 0.26 0.09 Rain shwrs S C S S S C C C S S C C S S S S L Heat index 86 83 91 95 97 94 86 82 91 98101 96 89 85 83 93 Max heat 95 85 91 97 97 85 91 101 100 88 93 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 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 79 91 79 91 77 91 77 91 Temp 89 82 79 86 91 83 79 86 91 82 78 85 91 82 78 85 91 82 Dewpt 76 76 76 76 76 76 75 75 74 74 74 74 74 74 74 75 75 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B2 B1 SC SC SC FW CL FW SC FW CL FW SC FW CL FW SC FW PoP 12hr 60 30 30 20 20 20 20 20 20 Rain shwrs L L S C C S S S S S S S S S S Tstms S S $$ PRZ002-140800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 79 88 79 Temp 81 80 78 79 84 87 88 86 82 81 79 80 84 87 88 86 82 81 79 80 84 Dewpt 73 73 73 72 73 73 74 73 73 73 72 72 73 74 75 75 75 75 74 74 75 RH 77 79 85 79 70 63 63 65 74 77 79 77 70 65 66 70 79 82 85 82 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 9 10 11 12 13 12 10 10 11 10 10 14 14 14 13 14 13 12 12 Clouds SC B2 SC B1 SC B1 B2 B2 CL SC SC SC CL CL B1 B1 B1 B1 B1 B1 B2 PoP 12hr 50 50 20 40 60 QPF 12hr 0.14 0.31 0.03 0.14 0.13 Rain shwrs C C C C S C C C S S S C C C C C C L Heat index 86 84 83 90 95 97 93 87 85 83 84 91 96 98 95 89 86 83 85 93 Max heat 92 85 90 97 96 87 91 98 97 88 93 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 89 80 89 78 88 79 88 Temp 88 83 80 85 89 83 80 85 89 82 78 84 88 82 79 84 88 82 Dewpt 76 76 76 76 76 76 75 75 75 75 74 74 74 74 74 75 76 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B2 B1 SC SC SC FW CL FW SC SC SC SC SC FW CL FW SC FW PoP 12hr 60 40 40 20 20 20 20 20 20 Rain shwrs L L S C C S S S S S S S S S S S Tstms S S $$ PRZ007-140800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 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 75 90 75 91 76 Temp 80 78 76 77 84 89 90 86 80 78 76 77 85 90 91 87 81 79 77 78 86 Dewpt 73 71 71 70 72 74 74 74 73 72 71 70 72 74 75 75 74 72 72 71 73 RH 79 79 85 79 67 61 60 68 79 82 85 79 65 60 60 68 79 79 85 79 65 Wind dir E NE NE NE E SE SE SE E E E E E SE SE E E E E E E Wind spd 5 4 4 4 6 13 12 11 10 6 8 9 8 16 14 13 10 6 4 5 6 Wind gust 26 25 Clouds CL CL CL CL CL CL SC SC FW CL SC FW CL CL CL CL CL CL CL CL CL PoP 12hr 0 10 10 0 0 QPF 12hr 0.01 0.02 0.01 0 0 Rain shwrs S S S Heat index 84 90 98 99 94 84 90 99102 97 86 93 Max heat 95 82 90 99 99 83 90 102 101 85 93 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 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 92 77 91 77 92 75 90 75 90 Temp 92 82 78 85 91 82 78 86 92 81 76 84 90 80 76 84 90 80 Dewpt 77 75 73 75 77 75 72 73 75 74 71 73 76 74 72 74 72 70 PWind dir E E E E E E E E E Wind char GN LT GN GN GN LT GN LT GN Avg clouds FW SC SC SC FW SC CL CL FW SC CL FW FW SC FW FW CL CL PoP 12hr 40 20 20 0 30 5 10 5 0 Rain shwrs C C S S S S C C S S $$ PRZ008-140800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 75 87 76 Temp 79 77 75 77 82 86 87 84 79 77 75 77 82 86 87 84 80 78 76 78 83 Dewpt 74 74 74 74 72 72 74 74 73 74 73 73 72 73 74 74 74 75 75 75 74 RH 85 90 97 90 72 63 65 72 82 90 94 87 72 65 65 72 82 91 97 91 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 13 11 11 10 8 9 13 8 10 10 9 11 10 13 17 13 11 9 10 14 Clouds SC SC CL FW CL CL OV B2 SC SC CL CL CL CL OV OV SC SC SC SC CL PoP 12hr 10 70 30 70 20 QPF 12hr 0.01 0.96 0.04 0.96 0.04 Rain shwrs S S L L C S L L S S S S Tstms S S S S Heat index 83 87 92 95 91 82 87 93 95 92 84 90 Max heat 90 87 95 95 87 95 95 83 90 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 88 76 87 75 87 75 87 Temp 88 80 76 83 88 80 76 83 87 79 75 82 87 79 75 82 87 79 Dewpt 76 75 76 75 77 76 76 74 75 75 75 74 74 74 75 73 76 75 PWind dir E E E E E E E E E Wind char BZ GN BZ GN GN GN GN GN GN Avg clouds FW B1 B1 SC FW SC CL CL FW FW CL FW SC FW CL CL SC SC PoP 12hr 40 40 30 0 10 20 20 0 50 Rain shwrs C C C C C C S S S S S C C Tstms S S S S S S $$ PRZ010-140800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 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 72 91 73 92 74 Temp 78 75 73 74 83 89 91 87 79 76 74 75 84 90 92 88 80 77 75 76 85 Dewpt 75 74 73 72 74 76 76 76 75 73 72 71 74 76 76 77 76 75 73 73 75 RH 91 97100 93 74 66 62 70 88 90 93 87 72 64 60 70 88 94 94 90 72 Wind dir E E E E E E W NE E E E E E E E E E E E E E Wind spd 6 6 5 4 4 2 6 6 5 8 5 4 4 4 6 6 4 2 3 4 5 Clouds FW CL CL CL CL CL OV OV SC CL CL CL CL CL OV OV SC SC SC SC CL PoP 12hr 5 70 30 70 10 QPF 12hr 0 1.03 0.04 0.94 0.02 Rain shwrs L L C L L S S S S Tstms S S S S Heat index 90101103 97 83 92102105 99 86 93 Max heat 98 90 103 102 92 105 104 83 93 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 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 92 75 93 74 93 74 91 73 91 Temp 92 81 76 86 93 80 75 85 93 80 75 84 91 79 74 84 91 79 Dewpt 79 77 75 76 79 77 75 76 78 76 74 75 78 76 74 75 78 76 PWind dir E E E E NE E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC OV OV B1 SC B1 CL CL FW SC FW FW SC SC SC FW SC SC PoP 12hr 70 70 70 0 40 5 40 10 50 Rain shwrs L L L L L L C C S C C S S C C Tstms S S S S S S S S S S $$ VIZ001-140800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 80 90 80 Temp 83 82 80 81 85 88 89 87 83 82 80 81 86 89 90 88 83 82 80 81 85 Dewpt 74 75 74 74 73 74 74 74 74 75 74 75 75 75 76 76 76 76 76 76 76 RH 74 79 82 79 67 63 61 65 74 79 82 82 70 64 64 68 80 82 88 85 75 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 14 16 14 18 18 16 16 16 17 16 12 18 16 19 20 20 21 20 18 18 Clouds SC SC SC SC B1 B1 B1 SC CL CL CL CL SC SC B2 B2 B1 B1 B1 B1 B2 PoP 12hr 40 40 10 50 60 QPF 12hr 0.08 0.16 0 0.13 0.13 Rain shwrs C S S S C C C C S S C C C C C C L Heat index 90 88 85 87 92 97 98 95 90 88 85 87 95 99102 98 92 89 86 87 94 Max heat 96 90 92 98 98 89 95 102 101 91 94 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 91 81 91 80 90 80 91 Temp 88 83 81 87 91 84 81 87 91 84 80 86 90 83 80 87 91 84 Dewpt 77 77 77 78 77 77 76 75 75 75 75 75 75 75 75 76 77 76 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN BZ BZ Avg clouds B2 B1 SC SC B1 SC SC SC SC SC SC SC SC CL CL FW SC FW PoP 12hr 60 40 40 10 10 20 20 20 20 Rain shwrs L L S C C S S S S S S S S S S S Tstms S S $$ VIZ002-140800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sun Jul 13 2025 Date 07/13/25 Mon 07/14/25 Tue 07/15/25 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 88 77 89 78 Temp 80 78 76 78 83 87 88 85 81 79 77 79 84 88 89 86 82 80 78 79 85 Dewpt 73 74 73 73 73 74 74 73 73 74 73 73 75 75 76 75 74 75 75 75 76 RH 79 88 90 85 72 65 63 67 77 85 87 82 74 66 66 70 77 85 91 88 75 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 11 11 13 12 14 18 16 14 14 14 13 12 16 14 14 19 18 19 18 16 16 Clouds SC SC FW SC SC B1 B2 SC SC SC SC CL SC SC B1 B1 B2 B2 B2 B2 SC PoP 12hr 30 50 30 50 50 QPF 12hr 0.07 0.16 0.05 0.13 0.13 Rain shwrs C S S C C C S S C S S S C C C C C C C Heat index 84 89 95 97 92 85 92 98100 95 88 85 84 94 Max heat 92 83 89 97 96 84 92 100 100 87 94 Date 07/16 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 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 78 89 78 90 77 89 77 89 Temp 89 82 78 85 89 82 78 85 90 81 78 84 89 81 77 84 89 81 Dewpt 77 76 76 77 76 75 75 75 75 74 74 74 74 74 74 75 75 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN GN BZ Avg clouds B1 B1 SC SC SC SC CL CL FW FW CL FW SC SC SC FW CL FW PoP 12hr 60 30 30 0 10 20 20 5 10 Rain shwrs C C C C C S S S S S S S S S Tstms S S $$