Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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455 FOCA52 TJSJ 182103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Wed Jun 18 2025 PRZ001-190800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 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 77 89 77 Temp 82 79 77 79 85 89 90 87 82 79 77 79 84 88 89 86 81 79 77 79 85 Dewpt 74 74 73 73 74 74 75 75 74 74 74 74 75 75 75 75 74 75 74 73 74 RH 77 85 87 82 70 61 62 68 77 85 90 85 74 66 64 70 79 88 90 82 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 12 10 11 10 12 16 17 13 11 11 10 11 11 14 14 12 9 10 9 10 11 Clouds SC SC SC SC SC SC SC SC SC B1 SC B2 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 20 50 40 40 QPF 12hr 0.07 0.09 0.17 0.22 0.13 Rain shwrs S S S S C C S C S C S C S S C C C C C C C Obvis H H Heat index 87 83 92 98101 96 87 83 92 97 99 95 87 92 Max heat 95 86 92 101 100 86 92 99 99 85 92 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 77 90 77 90 77 90 78 90 Temp 90 82 77 85 90 82 77 85 90 82 77 85 90 82 78 85 90 82 Dewpt 75 74 73 74 75 74 74 74 76 75 75 75 76 75 74 74 75 74 PWind dir E E E E E E E E E Wind char GN LT GN GN BZ GN BZ GN BZ Avg clouds SC SC SC SC FW FW FW FW SC B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 30 20 5 20 60 60 40 10 20 Rain shwrs C C S S S C L L L C C S S S S Tstms S S S $$ PRZ002-190800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 87 78 86 78 Temp 82 80 79 80 84 86 87 85 81 79 78 79 83 85 86 84 81 79 78 79 83 Dewpt 74 74 74 73 73 74 75 74 74 74 74 74 74 75 75 75 74 74 74 73 74 RH 77 82 85 79 70 68 68 70 79 85 88 85 74 72 70 74 79 85 88 82 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 13 12 12 13 16 14 13 12 12 13 12 13 14 12 10 10 11 12 12 13 Clouds SC SC SC SC SC SC SC SC SC B1 SC B2 SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 20 20 50 50 50 QPF 12hr 0.06 0.09 0.19 0.19 0.20 Rain shwrs S S S S C C S C S C S C C C C C C C C C C Obvis H H Heat index 88 85 83 84 90 94 96 92 87 83 83 89 94 95 92 86 83 83 90 Max heat 93 87 90 97 96 85 89 95 95 85 90 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 78 87 79 87 79 87 80 87 Temp 87 81 78 83 87 82 79 84 87 82 79 84 87 82 80 84 87 82 Dewpt 75 74 73 74 75 74 74 74 76 74 75 75 76 75 74 74 75 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN BZ BZ GN BZ Avg clouds B1 B1 SC SC SC FW FW SC B2 B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 40 30 20 50 60 60 50 30 30 Rain shwrs C C C C S C L L L L C C S C C S Tstms S S S S $$ PRZ007-190800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 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 92 76 91 76 Temp 81 78 76 78 86 90 92 88 82 79 76 78 85 89 91 87 81 78 76 78 85 Dewpt 70 70 70 69 71 73 73 74 72 72 72 71 72 75 74 75 73 72 72 71 73 RH 69 76 82 74 61 58 54 63 72 79 87 79 65 64 58 68 77 82 87 79 67 Wind dir E NE NE NE E E SE E E NE E E E E E E E E E E E Wind spd 10 8 5 5 10 17 16 13 8 5 4 6 9 14 14 13 8 6 5 8 10 Wind gust 28 26 25 25 Clouds CL CL CL SC SC CL SC CL SC CL SC B1 SC SC SC SC SC SC SC SC FW PoP 12hr 10 10 40 30 30 QPF 12hr 0.01 0.02 0.09 0.07 0.05 Rain shwrs S S S C C C C S S C C C C S Obvis H H Heat index 85 91 99101 97 86 91100101 97 86 92 Max heat 92 83 91 101 100 84 91 101 100 84 92 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 75 91 75 91 77 91 77 92 Temp 91 81 75 85 91 81 75 85 91 82 77 85 91 82 77 86 92 82 Dewpt 74 73 71 69 70 70 69 71 74 73 72 73 75 73 72 71 73 72 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN BZ GN GN Avg clouds SC SC FW FW FW SC FW FW SC B1 B1 SC SC FW FW FW SC FW PoP 12hr 30 5 20 5 50 40 10 5 10 Rain shwrs C C S S C C C C S S S S S $$ PRZ008-190800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 76 86 75 Temp 79 77 75 77 82 86 87 84 80 78 76 78 82 85 86 83 79 77 75 77 82 Dewpt 74 74 73 72 73 73 74 74 74 74 74 74 73 74 74 74 74 74 74 73 73 RH 85 90 94 85 74 65 65 72 82 88 94 88 74 70 68 74 85 90 97 87 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 20 17 17 12 12 12 19 19 18 13 12 12 13 11 14 14 9 5 9 9 12 Clouds SC SC SC CL SC SC SC B2 SC CL SC CL SC SC B2 B2 B1 B1 B1 B1 SC PoP 12hr 0 30 10 60 40 QPF 12hr 0.02 0.07 0.01 0.67 0.08 Rain shwrs S S S S S S C S L L C C C C S Tstms S S S Obvis H H Heat index 83 88 93 95 92 84 87 92 94 90 88 Max heat 91 88 95 95 83 87 94 93 88 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 86 75 87 75 88 76 87 Temp 87 79 75 82 86 79 75 82 87 79 75 83 88 80 76 83 87 79 Dewpt 74 74 73 73 74 74 74 72 74 74 74 73 75 75 74 73 75 74 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN BZ GN WY Avg clouds SC B1 SC SC SC SC SC FW SC B2 B1 B1 B1 B1 SC FW FW SC PoP 12hr 50 20 40 10 60 40 60 5 20 Rain shwrs C C S S C C S S L L C C L L S S S S Tstms S S S S $$ PRZ010-190800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 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 73 91 73 Temp 80 76 74 76 84 90 92 87 80 76 74 76 84 89 91 87 79 76 74 76 84 Dewpt 75 74 72 71 74 76 77 76 76 74 73 72 75 77 77 77 76 75 73 72 75 RH 85 94 93 85 72 64 62 70 88 94 97 87 74 68 64 72 91 97 97 87 74 Wind dir NE E E E E E W NE E E E E E E E E E E E E E Wind spd 6 6 8 5 3 3 5 6 8 5 5 5 4 2 4 4 4 5 5 4 3 Clouds B1 CL CL CL CL CL SC B2 SC CL SC FW SC SC OV OV B2 B2 B2 B2 FW PoP 12hr 40 80 10 70 50 QPF 12hr 0.03 0.65 0.01 1.01 0.14 Rain shwrs C S L S S S L L C C C C Tstms S S S S S S S Obvis H Heat index 84 92102106 98 85 92102105 98 84 93 Max heat 99 92 106 105 92 105 104 93 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 72 91 73 92 74 93 74 93 Temp 92 79 73 83 91 79 74 84 92 80 75 85 93 81 75 85 93 80 Dewpt 77 75 73 74 77 75 73 74 77 76 73 75 78 76 73 74 78 75 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 FW FW SC B1 SC FW SC B2 SC SC SC B1 FW FW FW SC PoP 12hr 60 5 50 5 60 30 50 5 40 Rain shwrs L L C C S S L L C C C C C C Tstms S S S S $$ VIZ001-190800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 79 89 80 Temp 84 82 80 82 86 89 90 87 83 81 79 81 85 88 89 87 83 81 80 82 86 Dewpt 75 75 75 75 75 75 76 75 76 76 76 75 75 75 76 76 75 75 75 75 75 RH 74 79 85 79 70 64 64 68 80 85 91 82 72 66 66 70 77 82 85 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 19 18 19 18 17 18 19 19 19 19 18 18 16 17 17 18 18 17 18 Clouds CL CL SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 5 20 20 40 30 QPF 12hr 0.03 0.07 0.03 0.12 0.07 Rain shwrs S S S S S C S S S S S S C C C C C C C Obvis H H Heat index 91 88 85 88 95 99102 97 91 87 84 86 94 98100 97 91 88 85 88 95 Max heat 97 90 95 102 101 90 94 100 100 89 95 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 89 80 90 80 90 80 89 Temp 90 84 80 85 89 83 80 86 90 84 80 86 90 84 80 85 89 83 Dewpt 75 75 75 76 75 75 75 76 76 77 76 77 76 76 75 76 75 76 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC FW FW SC B2 B2 B2 B2 SC SC SC FW FW SC PoP 12hr 30 30 10 50 60 60 30 10 30 Rain shwrs C C C C S S C C L L L C C S S S C Tstms S S S $$ VIZ002-190800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Wed Jun 18 2025 Date 06/18/25 Thu 06/19/25 Fri 06/20/25 Sat 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 77 88 78 Temp 82 80 78 80 84 87 88 85 81 79 77 79 84 87 88 86 82 80 78 80 84 Dewpt 74 75 74 74 74 75 75 75 74 75 74 74 75 76 76 75 75 75 75 73 75 RH 77 85 88 82 72 68 66 72 79 88 90 85 74 70 68 70 79 85 91 79 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 18 19 18 17 19 18 18 18 18 18 17 17 17 18 16 17 16 17 16 14 17 Clouds CL CL CL SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 20 40 40 30 QPF 12hr 0.01 0.06 0.11 0.13 0.05 Rain shwrs S S S S C S S C C C C C C C C C C S Obvis H H Heat index 87 84 83 91 96 98 94 86 91 97 99 94 88 84 83 92 Max heat 93 86 91 98 97 85 91 99 98 86 92 Date 06/21 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 Wed 06/25/25 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 77 88 77 89 78 88 Temp 88 81 77 84 88 81 77 84 88 81 77 84 89 82 78 84 88 81 Dewpt 75 74 73 74 75 74 74 75 76 75 75 76 76 75 74 75 75 74 PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC FW FW FW FW FW SC B1 B1 B2 B1 FW FW FW FW FW FW PoP 12hr 20 5 5 40 50 50 5 5 30 Rain shwrs S S S S C C C C C S S S S C $$