


Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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213 FOCA52 TJSJ 012103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Tue Jul 1 2025 PRZ001-020800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 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 78 89 79 Temp 81 80 78 79 85 88 89 86 82 80 78 79 85 88 89 87 82 81 79 80 86 Dewpt 73 73 73 73 74 73 73 74 74 74 73 73 74 74 74 74 74 75 74 74 75 RH 77 79 85 82 70 61 59 68 77 82 85 82 70 63 61 65 77 82 85 82 70 Wind dir E E E E E E E E E E SE E E E E E E E E E E Wind spd 12 13 12 11 12 17 16 13 10 10 9 6 9 12 14 12 9 9 6 6 9 Clouds SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 PoP 12hr 40 30 30 30 50 QPF 12hr 0.20 0.22 0.04 0.06 0.10 Rain shwrs S C C C S S S C S S C S S S C C C C C C C Tstms S Heat index 86 84 93 96 97 94 88 84 93 97 98 95 88 87 84 95 Max heat 91 86 93 98 97 86 93 98 98 88 95 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 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 79 90 79 88 78 88 78 89 Temp 90 83 79 86 90 83 79 84 88 81 78 84 88 81 78 85 89 81 Dewpt 75 76 75 75 75 75 74 74 74 75 74 74 73 74 73 74 74 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN BZ Avg clouds B2 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 60 30 30 20 40 40 40 30 40 Rain shwrs L L S C C S S S C C C C C C S C C C Tstms S S S $$ PRZ002-020800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 78 89 80 Temp 81 80 78 79 85 88 89 86 82 80 78 79 85 88 89 87 83 82 80 81 85 Dewpt 73 73 73 73 74 74 74 74 73 73 73 73 74 74 74 74 74 74 74 74 75 RH 77 79 85 82 70 63 61 68 74 79 85 82 70 63 61 65 74 77 82 79 72 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 17 17 17 16 14 14 12 12 12 11 10 12 12 11 10 9 9 8 11 11 Clouds SC B1 B1 B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC SC B2 PoP 12hr 40 40 40 30 60 QPF 12hr 0.30 0.36 0.07 0.06 0.11 Rain shwrs S C C C C C S S S S C S S S C C C C C C L Tstms S Heat index 86 84 93 97 98 94 87 84 93 97 98 95 90 88 84 86 94 Max heat 92 86 93 99 98 86 93 98 98 90 94 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 80 89 80 89 78 88 78 88 Temp 89 83 80 85 89 83 80 85 89 82 78 84 88 81 78 84 88 82 Dewpt 76 75 74 75 75 74 74 74 74 74 73 74 74 74 73 74 74 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN BZ Avg clouds B2 B2 SC SC SC SC SC SC SC B1 B1 B1 B1 SC FW SC B1 B1 PoP 12hr 70 30 30 20 40 40 40 50 50 Rain shwrs L L S C C S S S C C C C C C C C C Tstms S S S $$ PRZ007-020800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 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 76 90 77 Temp 81 79 78 79 85 89 90 87 81 78 77 78 84 89 90 87 81 79 78 79 85 Dewpt 70 69 70 70 72 74 73 74 72 71 71 70 72 74 74 74 73 72 71 70 73 RH 69 72 76 74 65 61 58 65 74 79 82 76 67 61 60 65 77 79 79 74 67 Wind dir E NE NE NE E SE SE SE E E E E E SE SE SE E E E E E Wind spd 9 5 5 8 12 13 13 12 9 6 6 6 8 13 11 10 6 5 4 4 5 Wind gust 24 Clouds CL CL SC SC SC SC SC FW FW FW FW FW CL CL CL CL FW FW FW FW FW PoP 12hr 30 30 0 0 5 QPF 12hr 0.14 0.24 0 0 0 Rain shwrs S S C C S Heat index 85 91 98 98 95 85 90 98 99 95 86 92 Max heat 94 85 91 99 97 84 90 99 98 86 92 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 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 90 76 90 76 89 76 90 Temp 91 82 79 85 90 81 77 84 90 81 77 84 89 80 77 84 90 80 Dewpt 75 75 72 74 76 74 72 73 75 73 70 71 73 71 71 72 74 72 PWind dir SE E E E E NE E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC CL CL CL CL CL CL CL CL CL FW FW FW CL FW SC SC PoP 12hr 30 0 0 0 0 5 5 5 10 Rain shwrs C C S S S S S $$ PRZ008-020800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 87 75 Temp 79 78 76 77 83 86 87 84 80 78 76 77 83 86 87 84 79 77 75 77 83 Dewpt 71 72 73 73 72 73 74 73 73 73 73 73 72 72 74 73 74 74 74 73 72 RH 77 82 90 87 70 65 65 70 79 85 90 87 70 63 65 70 85 90 97 87 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 21 17 16 12 12 10 16 17 13 5 9 9 6 6 11 12 8 8 11 9 9 Clouds CL CL SC SC FW FW B2 B2 SC FW FW FW FW FW SC SC SC SC SC SC CL PoP 12hr 0 60 10 20 5 QPF 12hr 0.01 0.54 0.01 0.16 0.01 Rain shwrs C L S S S S S S S Tstms S S Heat index 88 93 95 90 84 88 92 95 90 88 Max heat 89 88 95 95 88 95 95 88 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 76 88 76 87 76 88 Temp 88 81 77 84 88 80 76 83 88 80 76 83 87 80 76 83 88 79 Dewpt 75 75 76 74 75 75 75 74 74 74 75 74 74 73 73 72 74 74 PWind dir E E E E E E E E E Wind char LT LT GN LT BZ GN BZ GN GN Avg clouds SC B1 FW FW FW SC FW FW FW SC CL CL FW SC FW FW SC SC PoP 12hr 50 5 40 5 20 0 30 5 40 Rain shwrs C C S S C C S S S S C C C C Tstms S S S S $$ PRZ010-020800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 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 92 74 92 74 Temp 80 77 75 76 85 91 92 88 80 77 75 76 85 91 92 88 80 77 75 76 85 Dewpt 73 72 71 71 74 75 76 75 74 73 72 71 74 76 76 75 75 74 73 72 74 RH 79 85 87 85 70 60 60 66 82 87 90 85 70 62 60 66 85 90 94 87 70 Wind dir NE E E E E SE NE SE E E E E E E E E E E E E E Wind spd 11 10 8 4 3 2 2 2 4 6 5 5 3 3 5 4 6 8 5 3 3 Clouds CL CL SC SC FW FW B1 B1 SC FW CL FW CL CL B2 B2 FW FW FW FW CL PoP 12hr 5 40 10 50 5 QPF 12hr 0.01 0.46 0.01 0.66 0 Rain shwrs C C S C C Tstms S S S S Heat index 84 93102105 98 84 93103105 98 85 93 Max heat 96 93 105 103 93 105 103 93 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 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 76 93 75 92 73 92 72 93 Temp 93 82 77 86 93 81 76 85 92 79 74 84 92 79 73 85 93 80 Dewpt 77 76 74 76 79 77 74 75 78 75 74 74 77 74 72 74 76 74 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 CL CL FW SC CL CL SC B1 CL CL FW SC PoP 12hr 70 0 50 0 40 0 60 0 40 Rain shwrs L L C C C C L L C C Tstms S S S S S S S S $$ VIZ001-020800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 80 88 80 Temp 83 81 79 80 85 88 89 87 83 82 80 81 85 87 88 86 83 81 80 81 85 Dewpt 74 74 75 75 75 75 75 75 75 74 74 75 75 74 75 75 76 75 76 76 77 RH 74 79 88 85 72 66 64 68 77 77 82 82 72 65 66 70 80 82 88 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 23 24 23 21 20 18 16 17 18 18 17 17 16 14 13 11 13 13 17 16 17 Clouds SC B1 B2 B1 SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 PoP 12hr 50 10 40 30 40 QPF 12hr 0.22 0.11 0.06 0.03 0.06 Rain shwrs S C C C S S S S S C C S S S S S C C C C C Heat index 90 86 85 94 98 99 96 90 88 84 87 94 95 98 95 91 87 86 87 96 Max heat 95 89 94 99 99 90 94 98 98 89 96 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 80 89 79 89 79 89 79 89 Temp 89 83 80 85 89 82 79 85 89 82 79 85 89 82 79 85 89 83 Dewpt 77 76 76 76 76 76 75 75 75 75 75 74 74 75 75 75 74 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ GN BZ BZ BZ BZ Avg clouds B1 SC FW FW SC SC SC SC SC SC SC SC SC SC CL FW SC SC PoP 12hr 40 5 5 10 30 30 30 30 40 Rain shwrs C C S S S S S S C C C C S C C C Tstms S $$ VIZ002-020800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Tue Jul 1 2025 Date 07/01/25 Wed 07/02/25 Thu 07/03/25 Fri 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 78 90 79 Temp 82 80 78 79 85 88 89 86 82 80 78 80 85 89 90 87 83 81 79 80 85 Dewpt 73 74 73 73 73 73 74 74 73 73 73 73 74 74 74 75 74 75 74 75 75 RH 74 82 85 82 67 61 61 68 74 79 85 79 70 61 60 68 74 82 85 85 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 20 20 18 18 17 14 16 14 14 13 13 14 14 13 11 11 12 14 14 14 Clouds SC B1 B1 SC SC SC FW FW FW SC SC FW SC SC CL CL SC SC SC SC B1 PoP 12hr 40 10 20 30 40 QPF 12hr 0.17 0.09 0.03 0.01 0.06 Rain shwrs S C C S S S S S S S S S S S C C C C C Heat index 87 84 92 96 98 94 87 84 84 93 98 99 96 90 87 85 94 Max heat 94 86 92 98 98 86 93 99 99 88 94 Date 07/04 Sat 07/05/25 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 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 89 77 89 77 89 77 89 Temp 89 82 79 85 89 81 77 84 89 81 77 84 89 81 77 84 89 82 Dewpt 76 75 75 76 75 74 74 74 73 73 74 74 73 73 73 74 74 73 PWind dir E E E E E E E E E Wind char GN GN BZ GN GN BZ BZ BZ BZ Avg clouds B1 B1 SC FW FW FW CL CL FW SC SC SC SC FW CL FW B1 SC PoP 12hr 50 5 5 0 30 30 20 40 40 Rain shwrs C C S S S C C C S S C C C Tstms S S $$