Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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004 FOCA52 TJSJ 280903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sat Jun 28 2025 PRZ001-282000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 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 90 77 89 78 90 Temp 85 89 90 87 82 79 77 79 84 88 89 86 82 80 78 80 85 89 90 87 81 Dewpt 74 74 76 76 76 76 75 74 76 76 77 76 76 75 74 73 75 75 75 75 75 RH 70 61 64 70 82 91 94 85 77 68 68 72 82 85 88 79 72 64 62 68 82 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 10 14 14 13 11 11 11 11 12 17 18 13 11 11 12 11 12 17 17 16 11 Clouds SC SC SC SC SC SC SC B2 B2 OV B2 B2 SC SC SC SC FW FW SC SC SC PoP 12hr 40 60 70 20 20 QPF 12hr 0.23 0.35 1.25 0.06 0.04 Rain shwrs C S S S C C C L L L L L S S S S S S S S S Tstms S S S S S Obvis H H H H H H H H H Heat index 93 98101 97 88 83 93 99102 96 89 84 84 93 98100 96 87 Max heat 93 101 101 87 93 102 101 87 93 100 100 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 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 89 77 90 77 91 77 90 Temp 78 84 89 81 77 85 90 81 78 85 91 82 78 85 90 82 Dewpt 74 74 74 73 72 74 74 74 73 74 75 75 75 76 76 75 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 B1 SC SC SC B1 B1 SC SC SC SC B1 B2 B2 PoP 12hr 20 50 30 40 40 30 60 60 Rain shwrs S S C C C C C C C C C C C L L L Tstms S S S $$ PRZ002-282000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 79 87 80 88 Temp 83 86 87 85 82 80 79 80 84 86 87 85 82 81 80 81 85 87 88 86 82 Dewpt 74 75 76 76 76 76 75 75 76 76 76 76 75 75 74 73 75 75 75 75 74 RH 74 70 70 75 82 88 88 85 77 72 70 75 79 82 82 77 72 68 66 70 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 13 12 12 12 13 14 14 17 18 16 14 12 14 14 13 16 16 14 14 13 Clouds B1 B1 B1 SC SC SC B2 B2 B2 OV B2 B2 B2 B2 SC SC FW FW SC SC SC PoP 12hr 50 60 70 50 20 QPF 12hr 0.58 0.37 1.27 0.10 0.04 Rain shwrs C C C C C C L L L L L L C C C C S S S S S Tstms S S S S S S S Obvis H H H H H Heat index 90 95 97 94 89 86 83 85 93 97 98 95 90 87 85 86 93 97 97 94 88 Max heat 90 97 97 88 93 98 97 89 93 98 97 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 87 78 87 79 87 80 87 Temp 79 84 87 81 78 83 87 82 79 84 87 82 80 84 87 82 Dewpt 73 74 75 73 72 74 74 74 74 74 75 75 75 76 76 74 PWind dir E E E E E E E E Wind char GN GN BZ GN GN GN GN GN Avg clouds SC SC B1 B1 SC SC SC B1 B1 SC SC SC SC B1 B2 B2 PoP 12hr 30 50 30 40 40 30 60 70 Rain shwrs S C C C C C C C C C C C C L L L Tstms S S S $$ PRZ007-282000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 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 91 76 89 77 91 Temp 85 89 91 87 81 78 76 78 84 88 89 86 81 79 77 79 85 89 91 87 80 Dewpt 70 69 71 71 71 71 71 71 71 72 73 72 71 70 70 70 69 70 70 69 69 RH 61 52 52 59 72 79 85 79 65 59 59 63 72 74 79 74 59 54 50 55 69 Wind dir E SE SE E E NE NE E E E E E E E E E E E E E E Wind spd 5 13 17 14 8 6 6 6 9 14 13 10 8 6 6 8 10 17 16 13 8 Wind gust 28 25 25 28 27 24 Clouds SC FW SC SC CL CL FW FW SC SC OV OV FW FW FW FW CL CL CL CL CL PoP 12hr 20 10 70 5 0 QPF 12hr 0.13 0.05 1.01 0.01 0 Rain shwrs S S S S S S S L L S S Tstms S S Obvis H H H H H H H H H H H H H Heat index 89 94 97 93 85 89 94 97 92 85 82 89 94 97 91 83 Max heat 89 97 97 84 89 97 96 84 89 97 96 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 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 91 74 90 75 91 77 90 Temp 76 85 91 80 75 84 90 80 76 85 91 82 78 85 90 81 Dewpt 70 68 70 71 68 68 69 71 70 69 71 72 72 71 73 74 PWind dir E E E E E E E E Wind char LT GN LT GN GN GN LT GN Avg clouds CL CL FW FW CL CL FW FW FW FW CL FW FW FW SC SC PoP 12hr 0 5 0 5 5 0 20 30 Rain shwrs S S S C C $$ PRZ008-282000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 75 86 75 87 Temp 82 85 86 83 79 77 75 77 82 85 86 83 79 77 75 77 82 86 87 84 79 Dewpt 74 74 75 74 74 75 75 74 75 75 75 74 74 74 74 73 73 74 75 74 74 RH 77 70 70 74 85 94100 90 79 72 70 74 85 90 97 87 74 68 68 72 85 Wind dir E E E E E E E E E E E E E E E E E E NE E E Wind spd 16 16 13 17 20 17 13 12 14 14 17 6 12 13 10 11 12 13 23 21 23 Clouds B1 SC B1 B2 FW FW FW FW FW FW SC SC SC SC FW FW CL CL CL CL CL PoP 12hr 60 10 30 20 5 QPF 12hr 0.82 0.02 0.09 0.02 0 Rain shwrs C S C L S S S C C S S Tstms S S Obvis H H H H H H H H H H H H H Heat index 87 92 95 90 88 93 95 90 88 93 96 91 83 Max heat 87 95 94 88 95 94 88 96 96 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 74 86 74 87 75 87 Temp 75 82 86 78 74 81 86 78 74 82 87 79 75 82 87 79 Dewpt 74 73 73 73 72 72 73 73 73 72 74 75 75 74 76 75 PWind dir E E E E E E E E Wind char BZ BZ GN GN GN BZ GN GN Avg clouds CL CL FW SC SC SC FW SC SC FW FW SC SC SC SC B1 PoP 12hr 0 20 20 40 10 20 10 50 Rain shwrs S S S S C C S S S S S S C C Tstms S S S S $$ PRZ010-282000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 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 91 73 92 74 93 Temp 84 89 91 87 79 76 74 76 84 90 92 88 80 77 75 77 85 91 93 88 80 Dewpt 75 77 78 77 76 75 74 72 76 78 78 77 76 75 73 72 74 76 77 77 75 RH 74 68 66 72 91 97100 87 77 68 64 70 88 94 94 85 70 62 60 70 85 Wind dir E E NE NE E E E E E E E NE E E E E E E NE E E Wind spd 5 2 3 5 6 5 5 5 4 2 2 2 2 4 4 5 5 3 4 4 8 Clouds SC CL B2 OV CL CL FW FW CL CL OV OV SC SC CL CL CL CL SC SC CL PoP 12hr 70 10 80 5 30 QPF 12hr 1.08 0.01 1.07 0.01 0.03 Rain shwrs S L L S L D S S C C Tstms S S S S S S Obvis H H H H H H H H H H H Heat index 92102106 98 84 94104107 99 86 93103107100 85 Max heat 92 106 104 94 108 106 83 93 107 106 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 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 92 72 91 72 92 74 92 Temp 74 84 92 79 73 83 91 78 73 84 92 80 75 85 92 79 Dewpt 73 74 76 74 71 73 76 75 72 74 77 76 74 76 78 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds CL CL SC SC CL CL SC SC CL CL SC B1 FW FW SC B1 PoP 12hr 0 50 0 50 0 50 5 70 Rain shwrs C C C C C C L L Tstms S S S S S S S S $$ VIZ001-282000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 80 90 81 89 Temp 85 88 89 87 83 81 80 82 86 89 90 88 84 82 81 82 86 88 89 87 82 Dewpt 75 76 77 77 77 76 77 77 77 76 75 76 76 76 76 76 76 75 75 75 76 RH 72 68 68 72 82 85 91 85 75 66 62 68 77 82 85 82 72 66 64 68 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 18 17 18 20 21 23 23 23 23 21 19 20 20 19 19 19 20 19 19 21 Clouds B1 B1 B2 SC SC SC B2 B2 B2 B2 SC SC SC SC SC SC CL CL FW FW SC PoP 12hr 50 60 50 20 10 QPF 12hr 0.56 0.29 0.43 0.05 0.02 Rain shwrs C C C S S C L C C C S C S S S S S S S Tstms S S S S Obvis H H H H H H H H H H Heat index 94 99102 98 92 88 87 89 97101101 99 93 90 88 89 95 98 99 96 90 Max heat 94 102 101 91 97 101 101 92 95 99 98 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 89 79 89 80 90 80 90 Temp 79 85 89 82 79 85 89 83 80 86 90 83 80 86 90 84 Dewpt 75 74 74 74 74 75 74 75 75 76 76 77 77 77 77 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC B1 SC SC SC FW SC B1 SC SC SC SC B1 B1 SC PoP 12hr 30 40 10 40 40 30 50 50 Rain shwrs S C C C S S S C C C S C C C C C Tstms S S S $$ VIZ002-282000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sat Jun 28 2025 Date Sat 06/28/25 Sun 06/29/25 Mon 06/30/25 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 88 78 88 78 88 Temp 84 87 88 86 82 80 78 80 84 87 88 86 82 80 78 80 84 87 88 85 81 Dewpt 75 75 76 76 75 76 76 75 76 76 75 74 74 75 74 74 74 75 74 73 74 RH 74 68 68 72 79 88 94 85 77 70 66 68 77 85 88 82 72 68 63 67 79 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 17 17 18 19 20 19 19 20 18 18 17 17 16 17 18 19 19 19 19 Clouds SC SC B2 SC SC SC SC B2 B2 OV SC SC SC SC SC SC CL CL FW FW SC PoP 12hr 50 60 70 20 10 QPF 12hr 0.57 0.34 0.48 0.05 0.02 Rain shwrs S S C S S C C L L L S S S S S S S S S Tstms S S S Obvis H H H H H H H H H H H Heat index 92 97 98 95 88 84 84 92 97 98 93 87 84 83 91 96 97 92 86 Max heat 92 98 98 86 92 98 97 86 91 97 96 Date Tue 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 07/04/25 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 88 77 88 78 88 78 88 Temp 77 84 88 81 77 84 88 81 78 84 88 81 78 84 88 81 Dewpt 74 73 73 73 73 74 74 73 74 74 75 75 76 76 75 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 B1 SC CL FW FW SC SC FW FW FW SC B1 B2 B1 PoP 12hr 30 40 5 5 10 30 50 50 Rain shwrs S C C C S S S S S S C C C C C Tstms S S S $$