Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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028 FOCA52 TJSJ 142103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Mon Jul 14 2025 PRZ001-150800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 91 78 90 78 Temp 81 79 78 79 85 90 91 88 82 80 79 80 85 89 90 87 82 80 78 80 86 Dewpt 72 73 73 73 74 75 75 76 75 75 75 74 75 76 76 76 76 75 75 76 76 RH 74 82 85 82 70 62 60 68 79 85 88 82 72 66 64 70 82 85 91 88 72 Wind dir E E SE E E E E E E E E E E E E E E E E E E Wind spd 11 10 9 9 10 11 14 14 12 12 12 10 11 16 14 13 10 10 10 10 12 Clouds CL FW FW SC SC SC B1 B1 SC SC SC B1 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 20 40 60 60 30 QPF 12hr 0.05 0.34 0.19 0.74 0.05 Rain shwrs S S S S C C S S S C L L L L S S S S C Tstms S S S S Heat index 86 83 93100102 99 89 85 84 94100102 98 89 85 85 96 Max heat 95 85 93 102 101 88 94 102 101 88 96 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 91 78 91 77 91 77 91 78 91 Temp 91 82 79 86 91 82 78 85 91 82 78 85 91 82 79 86 91 83 Dewpt 77 76 76 76 75 75 75 74 75 74 75 75 75 75 74 75 74 75 PWind dir E E E E E SE E E E Wind char GN GN GN GN GN LT GN GN GN Avg clouds SC FW CL FW SC FW CL FW SC FW CL FW SC SC SC SC SC SC PoP 12hr 30 20 20 10 30 20 20 10 30 Rain shwrs C S S S S S S S S S S S S S C $$ PRZ002-150800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 79 88 80 Temp 81 80 78 79 85 88 89 87 82 81 79 80 84 87 88 86 83 81 80 81 85 Dewpt 73 73 73 73 74 75 75 76 76 75 75 75 75 76 76 76 76 75 76 76 76 RH 77 79 85 82 70 66 64 70 82 82 88 85 74 70 68 72 80 82 88 85 75 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 11 10 11 11 10 13 14 12 14 14 14 13 16 13 12 12 12 13 12 14 Clouds CL SC SC SC SC B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 SC SC SC SC B1 PoP 12hr 20 50 60 60 40 QPF 12hr 0.12 0.21 0.25 0.75 0.08 Rain shwrs S S S S C C C C C C C L L L L C C S S C Tstms S S S S S Heat index 86 84 83 92 98 99 97 90 86 84 85 93 98 99 96 91 87 86 88 95 Max heat 93 85 92 100 99 89 93 99 99 90 95 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 80 89 78 89 79 89 79 89 Temp 89 83 80 85 89 82 78 85 89 82 79 85 89 82 79 85 89 82 Dewpt 77 76 75 75 75 75 74 74 75 74 75 75 75 75 74 75 74 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC FW CL FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 40 20 20 30 30 20 20 20 60 Rain shwrs C S S S S S C C S S S S S S S S L Tstms S $$ PRZ007-150800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 91 77 92 77 Temp 80 77 76 77 85 90 91 88 82 79 78 79 86 91 92 88 82 80 78 79 85 Dewpt 73 71 71 70 72 75 75 76 74 72 72 72 74 75 77 77 75 73 73 73 75 RH 79 82 85 79 65 62 60 68 77 79 82 79 68 60 62 70 79 79 85 82 72 Wind dir E E NE NE E E SE SE E NE NE E E E E E E E E E E Wind spd 9 6 6 5 6 13 16 16 11 6 5 4 5 16 19 16 10 6 6 5 9 Wind gust 26 26 27 33 27 Clouds FW FW SC FW CL CL SC CL FW FW SC SC FW FW B1 B1 SC SC SC SC CL PoP 12hr 10 5 5 40 10 QPF 12hr 0.04 0.01 0.03 0.22 0.02 Rain shwrs S S S S S S C C S S S S Tstms S S Obvis H Heat index 84 90100102 98 88 83 94102106101 89 83 94 Max heat 94 90 102 101 86 94 106 105 87 94 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 91 77 92 75 90 76 90 76 91 Temp 91 82 78 86 92 81 76 84 90 81 77 84 90 81 77 85 91 81 Dewpt 77 74 73 74 77 75 72 74 77 74 72 74 76 74 72 74 76 71 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 CL CL FW SC CL FW FW FW CL CL FW FW CL CL FW SC PoP 12hr 20 0 40 0 20 0 0 0 10 Rain shwrs S S C C S S S S $$ PRZ008-150800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 77 87 76 Temp 79 77 75 77 82 86 87 85 80 79 77 78 83 86 87 84 80 78 76 78 83 Dewpt 74 74 73 73 73 73 75 75 75 76 75 76 75 75 76 75 76 75 75 76 75 RH 85 90 94 87 74 65 68 72 85 91 94 94 77 70 70 74 88 91 97 94 77 Wind dir SE E E E E E E E E E E E E E NE E E E E E E Wind spd 9 9 12 10 11 12 18 14 6 9 10 11 14 19 21 20 18 11 12 12 14 Clouds SC SC CL CL CL CL B2 OV SC SC SC FW CL CL B1 B1 B1 B1 B1 B1 CL PoP 12hr 30 70 30 40 40 QPF 12hr 0.16 0.95 0.06 0.33 0.09 Rain shwrs C S C L S C S S C C C C C C Tstms S S S S S S Obvis H Heat index 83 88 93 96 93 86 90 95 98 92 85 91 Max heat 91 88 96 96 84 90 98 97 83 91 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 87 76 87 75 88 75 87 Temp 88 81 77 83 87 80 76 83 87 79 75 83 88 79 76 82 87 80 Dewpt 77 77 76 75 75 75 76 74 75 74 75 74 76 75 75 74 75 75 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN LT GN GN BZ Avg clouds FW SC CL CL FW FW CL CL FW SC SC FW FW B1 FW FW FW SC PoP 12hr 30 0 10 0 40 10 50 5 10 Rain shwrs C C S S S S S S C C S S $$ PRZ010-150800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 92 74 92 74 Temp 79 76 74 75 84 90 92 88 80 77 75 76 85 91 92 88 80 77 75 76 85 Dewpt 75 74 72 71 73 75 77 77 76 75 74 73 75 78 79 79 77 75 74 73 76 RH 88 94 93 87 70 62 62 70 88 94 97 90 72 66 66 75 91 94 97 90 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 1 5 4 5 4 3 4 6 4 6 4 5 5 5 4 5 3 5 5 5 5 Clouds SC CL CL CL CL CL B2 B2 SC SC SC FW CL CL OV OV OV OV B2 B2 CL PoP 12hr 30 60 20 70 70 QPF 12hr 0.11 0.93 0.05 1.15 0.15 Rain shwrs C L L S S S L L L L L L Tstms S S S S S S S S Obvis H Heat index 91101106 99 86 93105109102 87 95 Max heat 96 91 106 105 83 93 109 108 83 95 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 93 75 92 73 91 74 92 74 92 Temp 93 81 76 85 92 79 74 84 91 80 75 85 92 80 75 85 92 80 Dewpt 80 77 75 76 79 77 74 75 78 76 74 75 78 77 74 75 78 76 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 CL CL FW SC FW FW SC B1 FW FW SC B1 CL CL SC B2 PoP 12hr 70 0 60 0 80 5 60 0 70 Rain shwrs L L L L L L L L L L Tstms S S S S S S S S S S $$ VIZ001-150800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 91 81 Temp 83 82 80 81 86 89 90 88 83 82 80 81 87 90 91 89 84 83 81 82 87 Dewpt 74 74 75 75 76 76 77 76 76 77 77 76 77 77 77 76 77 77 77 78 77 RH 74 77 85 82 72 66 66 68 80 85 91 85 72 66 64 66 80 82 88 88 72 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 17 17 16 16 18 21 20 20 21 21 20 20 19 18 17 18 19 19 19 20 Clouds CL FW CL CL SC B2 B1 B1 B1 SC SC B1 B2 B2 B2 B2 SC SC SC SC B1 PoP 12hr 10 50 60 60 40 QPF 12hr 0.04 0.19 0.24 0.46 0.08 Rain shwrs S C C C C C C C L L C C C C S S C Tstms S S S S S Heat index 90 88 86 87 96101103 98 92 90 87 88 98103105100 95 91 89 92 99 Max heat 96 89 96 103 103 91 98 105 104 93 99 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 91 80 90 81 91 80 91 Temp 91 84 81 87 91 84 80 86 90 84 81 87 91 84 80 87 91 84 Dewpt 77 77 77 76 76 76 75 75 75 76 75 76 76 76 75 76 76 76 PWind dir E E E E E E E E E Wind char BZ BZ GN GN GN GN BZ BZ BZ Avg clouds B1 SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 40 10 10 40 40 20 20 10 40 Rain shwrs C S S S S S S C C S S S S S S S S C $$ VIZ002-150800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Mon Jul 14 2025 Date 07/14/25 Tue 07/15/25 Wed 07/16/25 Thu 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 78 89 78 Temp 81 79 77 79 84 88 89 86 82 80 78 79 85 88 89 86 82 80 78 80 85 Dewpt 73 74 73 74 75 75 76 76 75 76 76 76 76 76 76 76 76 76 76 76 77 RH 77 85 87 85 74 66 66 72 79 88 94 91 75 68 66 72 82 88 94 88 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 14 14 14 13 11 13 16 17 18 19 18 17 18 18 17 16 14 17 17 18 19 Clouds SC SC SC CL SC SC B1 B1 B2 B1 B1 B1 B1 B1 B2 B2 SC SC CL CL SC PoP 12hr 30 50 50 60 30 QPF 12hr 0.18 0.18 0.24 0.59 0.05 Rain shwrs S C S S C C C C C C C C C L L C C C Tstms S S S S S Heat index 85 92 98100 96 88 85 84 94 99100 96 89 85 84 96 Max heat 92 84 92 100 100 87 94 100 100 88 96 Date 07/17 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 90 78 89 77 89 78 89 78 89 Temp 90 82 78 85 89 81 77 84 89 82 78 85 89 82 78 85 89 82 Dewpt 77 76 75 76 75 75 75 75 75 74 75 75 76 74 74 75 75 75 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN GN BZ BZ BZ Avg clouds SC SC CL CL FW FW CL FW SC SC SC FW FW SC SC FW FW SC PoP 12hr 30 0 10 20 20 5 10 10 40 Rain shwrs C S S S S S S S S S S S S S C $$