FOCA52 TJSJ 150632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Thu Oct 15 2026 PRZ001-152000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 79 89 79 89 Temp 79 84 87 88 84 82 81 80 79 85 88 89 84 82 81 80 79 85 88 89 84 82 Dewpt 75 74 73 73 74 74 75 75 74 75 75 75 75 74 75 74 74 74 75 75 75 75 RH 88 72 63 61 72 77 82 85 85 72 66 64 74 77 82 82 85 70 66 64 74 79 Wind dir E 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 11 13 12 9 8 6 5 8 12 13 12 9 9 9 9 5 9 12 12 8 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC CL PoP 12hr 50 50 50 20 40 QPF 12hr 0.31 0.25 0.08 0.09 0.32 Rain shwrs C C C S S S C C C C C C C S S S S S S C C Tstms S Heat index 92 98 99 92 89 87 85 93 98 99 92 88 86 84 92 98 99 92 89 Max heat 92 99 98 87 93 99 98 87 92 99 98 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 87 78 90 78 87 Temp 80 85 89 82 80 83 87 81 79 85 90 82 79 83 87 81 Dewpt 74 74 75 75 74 74 75 74 74 74 74 74 73 74 74 74 PWind dir SE E SE E SE E SE SE Wind char LT GN LT GN LT GN LT GN Avg clouds CL SC SC SC SC SC B1 B1 SC SC B1 SC SC SC B1 B1 PoP 12hr 20 30 30 40 30 40 30 60 Rain shwrs S S C C C C C C C C C C S C L L Tstms S S $$ PRZ002-152000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 79 90 79 90 Temp 79 85 88 89 84 82 81 80 79 85 89 90 85 82 81 80 79 85 89 90 85 82 Dewpt 75 74 74 74 74 74 75 75 75 76 76 76 75 75 75 75 75 75 76 76 76 75 RH 88 70 63 61 72 77 82 85 88 75 66 64 72 79 82 85 88 72 66 64 75 79 Wind dir E E E E E E NE E E E E E E E E E E E E E E E Wind spd 10 10 10 10 9 9 9 9 8 9 10 11 10 9 11 11 9 8 8 9 9 9 Clouds SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 50 50 50 30 40 QPF 12hr 0.30 0.20 0.09 0.09 0.34 Rain shwrs C C C S C C C C C S C C C C C S S C C C C C Tstms S Heat index 94100100 93 89 87 85 94101101 93 89 86 84 94101101 93 89 Max heat 94 102 99 89 94 101 100 88 94 101 100 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 89 79 87 79 88 78 86 Temp 80 85 89 82 80 83 87 81 80 84 88 81 79 82 86 80 Dewpt 75 75 75 75 75 75 75 75 74 75 75 74 74 75 75 75 PWind dir E E E E E SE SE SE Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 30 40 30 40 30 30 50 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S $$ PRZ007-152000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 76 89 76 89 Temp 76 83 87 88 82 80 78 77 76 83 88 89 83 80 78 77 76 83 88 89 83 80 Dewpt 72 73 72 74 75 74 73 71 70 71 72 71 74 73 72 71 70 72 72 73 73 73 RH 87 72 61 63 79 82 85 82 82 67 59 56 74 79 82 82 82 70 59 59 72 79 Wind dir NE E SE SE SE NE NE NE NE E SE SE SE E NE NE NE NE SE SE SE E Wind spd 4 4 12 13 8 5 5 4 5 4 12 14 11 6 5 5 4 3 11 9 6 5 Wind gust 26 Clouds CL CL CL SC SC SC CL CL CL CL CL SC SC CL CL CL CL FW FW SC SC FW PoP 12hr 40 20 50 10 30 QPF 12hr 0.31 0.01 0.32 0.02 0.22 Rain shwrs C C S C C S S C C S Tstms S Heat index 88 93 97 89 84 88 94 95 89 84 89 95 96 88 84 Max heat 88 97 96 88 95 95 83 89 96 95 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 89 76 89 75 89 76 86 Temp 77 83 89 80 77 83 89 79 76 83 89 80 77 82 86 79 Dewpt 72 71 73 73 70 71 73 72 70 70 71 72 72 73 69 72 PWind dir NE E NE E NE E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC CL FW SC SC FW FW FW SC FW SC SC SC PoP 12hr 10 30 10 30 5 40 20 40 Rain shwrs S S C C S C C C C S S C C $$ PRZ008-152000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 76 87 75 86 Temp 76 81 84 85 81 79 78 77 76 82 86 87 81 79 77 76 75 81 85 86 81 78 Dewpt 73 75 74 75 75 75 76 74 73 76 78 77 76 76 75 74 72 75 77 77 76 76 RH 90 82 72 72 82 88 94 90 90 82 77 72 85 91 94 94 90 82 77 75 85 94 Wind dir E E E NE NE E E E E E E NE E E E E E E E NE E E Wind spd 12 12 13 13 13 14 13 12 11 12 13 16 12 13 12 11 9 8 5 6 9 10 Clouds SC FW FW SC SC SC CL FW SC FW FW FW SC CL CL FW FW CL CL SC SC SC PoP 12hr 40 30 30 10 50 QPF 12hr 0.39 0.01 0.20 0.03 0.62 Rain shwrs C S S S C C S C S S S C S S C C C Tstms S S Heat index 87 95 97 88 89 98 99 88 87 95 97 87 Max heat 87 97 95 89 99 97 87 97 95 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 75 86 75 86 75 83 Temp 76 81 86 78 76 81 86 78 76 81 86 78 76 79 83 77 Dewpt 74 75 77 76 74 75 77 75 73 75 76 75 73 74 76 75 PWind dir E E E E E NE SE W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC FW FW SC SC FW FW SC B1 SC SC SC SC PoP 12hr 30 30 5 30 5 50 20 40 Rain shwrs C S C C C C S S C C S S C C Tstms S S $$ PRZ010-152000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 74 92 73 91 Temp 74 83 89 90 82 79 77 75 74 84 91 92 83 79 76 74 73 83 90 91 82 78 Dewpt 73 73 73 73 74 75 75 74 73 76 79 78 77 75 75 73 72 75 78 77 76 75 RH 97 72 59 58 77 88 94 97 97 77 68 64 82 88 97 97 97 77 68 64 82 91 Wind dir NE E E SW NE NE NE E E E E SW E E E E E E E W NE E Wind spd 9 6 2 3 5 11 8 6 5 5 2 3 2 5 5 3 2 3 1 5 4 5 Clouds FW CL CL B2 OV SC SC CL FW CL CL SC OV CL CL CL CL CL CL B2 B2 FW PoP 12hr 80 50 80 5 60 QPF 12hr 1.20 0.09 0.74 0.01 0.72 Rain shwrs S L D C S S C D L L S Tstms S C C S S Heat index 91105105 90 93107107 91 91104104 90 Max heat 91 106 103 93 108 104 91 105 102 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 91 73 91 73 91 73 89 Temp 74 83 91 78 74 83 91 78 74 83 91 78 74 82 89 78 Dewpt 73 76 77 75 73 75 77 75 73 75 77 75 73 75 77 75 PWind dir E N E N E S E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW SC B1 FW FW SC B1 FW SC SC B1 PoP 12hr 10 50 0 50 5 60 20 60 Rain shwrs S S C C C C L L S S L L Tstms S S S S S S S S $$ VIZ001-152000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 81 89 81 88 Temp 80 84 87 88 85 83 82 81 81 85 88 89 85 83 82 82 81 85 87 88 85 83 Dewpt 75 74 74 73 74 74 75 75 75 75 76 75 75 75 75 75 74 75 76 75 75 75 RH 85 72 65 61 70 74 79 82 82 72 68 64 72 77 79 79 79 72 70 66 72 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 13 12 12 12 14 16 13 13 12 12 12 13 13 16 13 12 12 11 9 11 12 Clouds SC SC SC SC SC SC SC SC SC FW CL FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 50 30 40 50 QPF 12hr 0.04 0.13 0.05 0.19 0.35 Rain shwrs C C S C S C C C S S S C C C C C C C C C C Tstms S S Heat index 85 93 98 98 94 90 89 87 87 94 99 99 93 91 89 88 86 93 98 97 93 90 Max heat 93 99 96 90 94 99 98 90 93 98 97 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 81 86 Temp 81 85 88 83 81 85 88 83 81 85 88 83 81 84 86 83 Dewpt 75 75 75 74 74 75 74 74 74 75 74 74 74 74 74 74 PWind dir E E E E E SE SE SE Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 30 30 30 30 30 30 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S $$ VIZ002-152000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 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 91 79 90 Temp 79 85 88 89 84 82 81 80 79 86 90 91 85 83 81 80 79 85 89 90 85 82 Dewpt 76 74 73 74 73 74 76 76 75 76 76 76 75 75 75 75 75 76 76 76 76 75 RH 91 70 61 61 70 77 85 88 88 72 64 62 72 77 82 85 88 75 66 64 75 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 13 13 12 11 12 12 12 11 11 12 13 12 11 13 12 12 12 11 9 10 10 Clouds FW FW SC SC FW SC SC SC SC SC SC FW SC SC SC SC SC FW FW SC SC SC PoP 12hr 40 50 30 40 40 QPF 12hr 0.03 0.17 0.07 0.17 0.29 Rain shwrs S S S S S C C C C C S S S C C C C S S C C C Heat index 94100102 93 89 87 86 95102102 94 90 87 85 94101101 93 89 Max heat 94 102 99 89 95 103 101 89 94 102 100 Date Sun 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 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 90 78 89 79 90 79 87 Temp 80 85 90 82 79 84 89 82 80 85 90 82 80 83 87 81 Dewpt 75 76 76 75 75 76 76 75 75 75 75 75 75 75 75 75 PWind dir E E E E E E SE SE Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 30 30 30 30 30 30 40 Rain shwrs C C C C C C C C C C C C C C C C $$