Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
033 FOCA52 TJSJ 050903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sat Jul 5 2025 PRZ001-052000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 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 79 88 80 88 Temp 86 89 90 87 83 81 79 80 84 87 88 86 83 81 80 81 85 87 88 86 81 Dewpt 76 76 76 76 76 75 74 74 74 74 73 74 74 74 74 74 74 73 74 74 74 RH 72 66 64 70 80 82 85 82 72 65 61 68 74 79 82 79 70 63 63 68 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 6 14 18 13 10 10 10 9 9 16 14 13 9 10 11 11 12 16 16 13 11 Clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 30 30 40 30 QPF 12hr 0.13 0.06 0.04 0.18 0.07 Rain shwrs S C C C C C S C S S S S C C C C C C S S S Obvis H H H H H H Heat index 96101101 98 90 87 84 85 92 96 96 94 89 87 85 86 92 95 96 93 87 Max heat 96 102 101 89 92 96 96 88 92 96 96 Heat Y Y Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 78 89 78 88 78 90 79 89 Temp 78 85 89 82 78 84 88 81 78 85 90 83 79 85 89 82 Dewpt 74 74 73 74 74 75 75 74 74 75 74 76 75 75 74 75 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN BZ Avg clouds SC SC FW FW CL FW SC SC FW FW FW FW CL FW SC SC PoP 12hr 20 10 20 20 10 10 20 50 Rain shwrs S S S S S S S S S S S S C C $$ PRZ002-052000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 80 88 80 88 Temp 86 89 90 88 83 82 80 81 85 87 88 86 83 81 80 81 85 87 88 86 82 Dewpt 76 77 77 76 76 74 74 73 73 74 74 74 74 74 74 74 74 74 74 74 74 RH 72 68 66 68 80 77 82 77 67 65 63 68 74 79 82 79 70 65 63 68 77 Wind dir E E E E E E E E E E E E NE E E E E E E E E Wind spd 12 16 16 12 11 11 11 10 10 13 11 11 9 12 14 14 14 16 16 13 11 Clouds SC SC SC SC B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC B2 PoP 12hr 40 40 40 40 50 QPF 12hr 0.15 0.12 0.06 0.20 0.22 Rain shwrs C C C C C C C C S S S S C C C C C C C C C Obvis H H H H Heat index 96102102 98 92 88 85 86 92 96 96 94 89 87 85 86 92 95 97 94 88 Max heat 96 103 102 90 92 96 96 88 92 97 97 Heat Y Y Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 89 79 89 79 89 79 89 Temp 79 85 89 82 79 85 89 82 79 85 89 82 79 85 89 82 Dewpt 74 73 74 74 74 75 76 74 74 75 75 76 75 75 75 75 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN GN Avg clouds B2 SC FW FW CL FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 20 30 50 20 30 20 50 Rain shwrs C C S S C C C S S C C S S C C Tstms S S S S $$ PRZ007-052000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 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 90 77 90 Temp 86 90 91 87 81 79 77 78 84 89 90 87 81 79 78 79 85 89 90 87 81 Dewpt 70 73 74 74 74 73 72 71 68 68 68 69 70 69 70 69 68 67 70 69 69 RH 59 58 58 65 79 82 85 79 59 50 49 55 69 72 76 72 57 48 52 55 67 Wind dir E SE SE SE E NE NE NE E E SE SE E NE NE NE E E E E E Wind spd 4 13 13 12 10 6 5 6 8 13 19 14 6 6 6 5 8 16 14 13 9 Wind gust 31 26 Clouds SC SC SC SC FW FW CL FW CL FW CL SC CL CL CL CL FW FW SC SC CL PoP 12hr 30 5 10 5 10 QPF 12hr 0.05 0 0.01 0 0.01 Rain shwrs S C S S S S S Obvis H H H H H H H H H H H H H Heat index 91 98100 96 86 88 92 94 91 85 82 88 92 96 91 85 Max heat 91 100 100 85 88 94 93 84 88 96 95 Heat Y Y Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 90 77 90 76 91 77 90 Temp 78 85 90 81 78 85 90 81 77 85 91 82 78 85 90 81 Dewpt 70 69 67 70 69 69 70 70 69 70 69 70 71 70 70 70 PWind dir E E E E E E E E Wind char LT GN GN GN LT GN GN GN Avg clouds CL CL FW FW CL CL CL FW FW FW FW FW CL CL CL CL PoP 12hr 0 5 5 10 10 10 0 0 Rain shwrs S S S S S S S $$ PRZ008-052000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 87 77 88 Temp 84 88 89 86 80 78 77 77 83 86 87 85 80 79 77 78 84 87 88 85 80 Dewpt 74 75 76 76 76 76 75 74 73 73 74 73 73 75 75 74 73 73 73 73 73 RH 72 66 66 72 88 94 94 90 72 65 65 67 79 88 94 88 70 63 61 67 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 9 10 5 5 6 12 10 12 11 17 10 14 17 16 16 16 16 18 19 17 Clouds CL CL B2 B2 B1 FW CL CL CL CL SC FW CL CL CL CL CL CL SC SC FW PoP 12hr 60 40 5 0 30 QPF 12hr 1.05 0.07 0 0 0.12 Rain shwrs L L C S C C Tstms S S Obvis H H H H H H H H H H H Heat index 91 98100 95 86 88 93 95 91 85 90 94 96 92 84 Max heat 91 100 99 84 88 95 95 84 90 96 95 Heat Y Y Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 88 75 88 75 88 76 89 Temp 76 83 88 79 76 83 88 79 76 83 88 80 76 84 89 80 Dewpt 73 72 73 73 73 73 75 74 74 74 75 74 75 74 75 74 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN BZ Avg clouds FW FW CL CL CL FW SC SC CL FW SC B1 CL CL FW SC PoP 12hr 5 0 5 50 5 60 0 50 Rain shwrs S C C S L L C C Tstms S S S S S S $$ PRZ010-052000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 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 94 75 92 75 93 Temp 86 92 94 89 81 78 76 77 85 91 92 88 81 78 76 77 86 92 93 88 80 Dewpt 76 78 78 78 77 77 75 73 75 76 78 76 76 74 74 74 74 75 77 76 75 RH 72 64 60 70 88 97 97 87 72 62 64 68 85 88 94 90 68 58 60 68 85 Wind dir E SE N NW SE NE E E E NE SW N NE E E E E E E E E Wind spd 2 2 2 6 4 5 4 4 4 3 5 6 8 9 11 9 5 3 5 4 4 Clouds CL FW SC B1 SC CL CL CL CL CL B1 B1 CL CL FW FW CL CL B2 B2 FW PoP 12hr 40 10 40 5 50 QPF 12hr 0.17 0.01 0.39 0 0.63 Rain shwrs C C S C C S S C C Tstms S S Obvis H H H H H H H H H H Heat index 97108110103 89 94103107 99 87 94103107 99 84 Max heat 97 110 109 87 94 107 105 85 94 107 106 Heat Y Y Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 93 74 93 73 93 74 94 Temp 74 85 93 80 75 85 93 80 74 85 93 80 75 86 94 81 Dewpt 72 74 76 74 72 74 78 76 73 75 78 76 73 75 76 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC CL CL FW SC CL CL SC B1 CL CL FW SC PoP 12hr 5 50 5 40 5 60 0 30 Rain shwrs C C C C L L C C Tstms S S S S $$ VIZ001-052000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 79 89 81 90 Temp 85 88 89 87 82 81 79 80 85 88 89 87 84 82 81 82 86 89 90 88 83 Dewpt 77 77 77 77 76 75 74 74 74 74 75 75 75 75 74 74 74 74 75 74 75 RH 77 70 68 72 82 82 85 82 70 63 64 68 74 79 79 77 68 61 62 63 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 19 17 17 18 16 13 17 14 13 13 17 20 20 19 18 19 19 19 20 Clouds SC SC FW SC FW FW SC FW SC FW SC SC B1 B1 B1 B1 FW FW SC SC B2 PoP 12hr 30 20 40 40 50 QPF 12hr 0.02 0.01 0.05 0.17 0.06 Rain shwrs C S S S S S S C C C C S S C Obvis H H H H H H H H H H Heat index 96101102 97 90 86 83 85 93 97 99 97 91 89 87 88 95 99101 96 91 Max heat 96 102 101 88 93 99 99 90 95 101 100 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 80 90 80 89 80 89 Temp 80 85 89 83 80 86 90 83 80 85 89 83 80 85 89 83 Dewpt 75 75 75 76 75 76 76 76 76 76 76 77 76 76 76 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B1 FW FW CL FW SC FW SC SC SC SC FW FW FW FW PoP 12hr 50 20 30 30 20 30 10 10 Rain shwrs C C S S C C S S S C C S S S S $$ VIZ002-052000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sat Jul 5 2025 Date Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 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 76 89 78 90 Temp 85 89 90 87 81 78 77 78 84 88 89 86 82 80 78 80 85 89 90 87 82 Dewpt 76 76 76 74 74 74 73 73 73 74 74 74 73 74 73 73 73 74 74 74 73 RH 75 66 64 65 79 88 87 85 70 63 61 68 74 82 85 79 67 61 60 65 74 Wind dir E E E E E E E E E E E E NE E E E E E E E E Wind spd 18 19 18 14 14 16 13 12 16 13 13 12 13 18 18 18 18 19 18 18 16 Clouds SC SC SC SC FW CL CL FW SC FW SC SC SC SC SC SC CL CL SC SC SC PoP 12hr 20 10 20 20 20 QPF 12hr 0.02 0 0.03 0.03 0.02 Rain shwrs S S S S S S S S S S S S S S S Obvis H H H H H H H H H H H Heat index 95101101 95 86 90 96 98 94 87 84 83 92 98 99 95 88 Max heat 95 102 100 84 90 98 97 86 92 99 98 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 78 90 78 90 78 90 79 89 Temp 78 85 90 82 78 85 90 82 78 85 90 83 79 85 89 82 Dewpt 74 74 73 74 75 75 75 74 75 75 75 75 75 74 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 FW CL CL CL FW FW FW FW FW SC SC CL CL CL CL PoP 12hr 10 5 5 10 20 30 0 0 Rain shwrs S S S S S S S C C $$