FOCA52 TJSJ 210632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Sun Jun 21 2026 PRZ001-212000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 78 91 78 91 Temp 80 85 89 90 87 82 80 78 80 86 90 91 88 83 80 78 80 86 90 91 88 82 Dewpt 73 74 74 75 74 74 74 74 73 74 73 74 74 74 74 73 73 73 73 74 73 73 RH 79 70 61 62 65 77 82 88 79 68 58 58 63 74 82 85 79 65 58 58 61 74 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 10 10 14 17 16 12 11 10 11 13 18 17 16 12 12 12 13 14 16 18 16 12 Clouds B2 B2 B2 B1 SC B1 SC SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC B1 PoP 12hr 60 40 40 40 40 QPF 12hr 0.55 0.11 0.05 0.05 0.21 Rain shwrs C L C C C C S S C C S S S S S C C S S C C C Tstms S S S Obvis H H H H H H H Heat index 84 92 95 96 96 88 84 84 93 98100 96 89 84 84 92 98100 95 87 Max heat 92 97 97 87 93 100 100 87 92 100 100 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 77 91 77 90 78 91 79 91 Temp 77 85 91 82 77 85 90 82 78 86 91 83 79 86 91 82 Dewpt 73 73 74 74 74 74 74 74 74 74 74 73 73 73 74 73 PWind dir E E E E E E E E Wind char GN GN GN BZ GN BZ GN GN Avg clouds B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 40 30 20 50 20 20 20 30 Rain shwrs C C C S S S C C S S S S S S S C $$ PRZ002-212000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 79 89 79 89 Temp 80 84 87 88 86 82 80 79 81 85 88 89 87 83 81 79 81 85 88 89 86 82 Dewpt 74 75 75 75 75 75 75 75 74 75 75 75 75 74 74 74 73 74 74 74 74 74 RH 82 74 68 66 70 79 85 88 79 72 66 64 68 74 79 85 77 70 63 61 68 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 13 16 16 17 16 13 13 16 16 17 16 16 14 14 12 14 14 16 16 14 12 Clouds B2 B2 B2 B1 SC B2 SC SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC B1 PoP 12hr 60 50 40 40 40 QPF 12hr 0.56 0.15 0.04 0.05 0.21 Rain shwrs L L C C C C C C C C S S S S S C C S S C C C Tstms S S S Obvis H H H H H Heat index 85 93 93 94 94 89 86 83 86 93 98 99 95 89 86 83 85 92 97 98 94 87 Max heat 93 95 94 88 93 99 99 88 92 98 97 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 89 79 90 79 89 79 89 Temp 78 85 89 83 79 86 90 83 79 85 89 83 79 85 89 82 Dewpt 73 74 75 75 75 75 75 75 75 75 74 74 74 74 74 74 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 20 30 20 20 20 40 Rain shwrs C C C S S S C C S S S S S S S C $$ PRZ007-212000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 77 92 77 92 Temp 80 85 89 90 87 82 79 77 79 86 90 92 88 82 79 77 79 86 90 92 88 82 Dewpt 71 70 71 71 71 72 71 70 70 70 70 70 70 69 69 67 69 70 68 69 70 69 RH 74 61 56 54 59 72 77 79 74 59 52 49 55 65 72 71 72 59 49 47 55 65 Wind dir NE E SE SE E E E E NE E E SE E E NE E NE E E E E E Wind spd 6 8 16 18 16 11 6 8 10 12 17 17 14 9 6 6 5 10 17 20 18 8 Wind gust 27 29 27 27 28 25 28 33 31 Clouds SC SC B1 SC SC SC FW SC CL FW FW FW FW CL CL CL CL CL CL FW FW FW PoP 12hr 40 10 5 0 5 QPF 12hr 0.07 0.01 0 0 0.03 Rain shwrs S C C S S S S S S S Tstms S Obvis H H H H H H H H H H H H H Heat index 83 90 92 93 93 86 82 82 91 96 98 94 86 82 82 91 94 97 93 85 Max heat 90 94 93 85 91 98 97 84 91 97 97 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 91 77 92 77 92 78 92 Temp 76 85 91 82 77 86 92 82 77 86 92 83 78 86 92 82 Dewpt 70 69 69 72 70 68 69 69 70 69 68 69 69 65 68 71 PWind dir NE E E E E E NE E Wind char LT GN LT GN LT BZ LT GN Avg clouds FW FW SC SC FW FW SC FW FW FW SC SC CL FW SC FW PoP 12hr 10 10 5 10 5 20 5 10 Rain shwrs S S S S S S S S S S S S S $$ PRZ008-212000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 88 77 88 Temp 79 83 86 87 84 80 78 76 78 83 87 88 85 81 79 77 79 84 87 88 85 80 Dewpt 71 75 76 77 77 77 76 74 73 75 76 76 77 76 75 74 72 74 75 75 75 75 RH 77 77 72 72 80 91 94 94 85 77 70 68 77 85 88 90 79 72 68 66 72 85 Wind dir E E E E E E E E E E E E E E E E E E E NE NE E Wind spd 12 13 12 19 18 10 16 12 11 11 17 23 23 24 18 16 12 19 20 23 24 21 Clouds CL SC SC OVOV B1 FW CL FW SC FW SC SC SC SC CL CL CL CL SC SC CL PoP 12hr 80 40 30 20 5 QPF 12hr 1.15 0.06 0.05 0.01 0.03 Rain shwrs S C D D C S C C S S S S Tstms S S Obvis H H H H H H H H H Heat index 90 93 95 95 85 90 97 99 95 87 90 96 98 94 85 Max heat 90 95 95 83 90 99 99 86 90 98 97 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 88 76 88 77 88 78 88 Temp 76 83 88 80 76 83 88 81 77 84 88 82 78 84 88 80 Dewpt 73 73 76 76 74 75 77 77 74 74 76 76 74 74 76 76 PWind dir E E E E E E E E Wind char BZ BZ GN BZ GN BZ GN BZ Avg clouds FW SC SC B1 FW FW SC FW CL FW SC SC FW CL FW SC PoP 12hr 40 50 5 10 5 20 0 10 Rain shwrs C C C C S S S S S S S S $$ PRZ010-212000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 92 73 93 74 93 Temp 77 85 90 92 87 80 76 74 76 85 91 93 88 81 77 75 77 85 91 93 88 80 Dewpt 71 75 77 78 78 76 75 73 72 75 77 77 77 75 74 72 71 74 75 76 76 75 RH 82 72 66 64 75 88 97 97 87 72 64 60 70 82 90 90 82 70 60 58 68 85 Wind dir NE E E N E E E E E E E NW N E E E E NE E NE NE NE Wind spd 6 4 3 6 6 8 6 6 5 5 4 5 3 5 9 8 6 10 4 6 9 11 Clouds CL FW B1 OV OV SC FW CL CL CL CL B2 B2 SC SC CL CL CL CL B2 B2 CL PoP 12hr 100 30 60 20 60 QPF 12hr 1.29 0.04 0.55 0.01 0.72 Rain shwrs C D D C L L S S L L Tstms S S S S S S S Obvis H H H H H H H H H Heat index 93 98101100 85 94104108101 86 93102106 99 85 Max heat 93 103 103 94 108 107 83 93 106 105 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 92 73 93 74 93 75 93 Temp 74 84 92 80 74 85 93 81 75 85 93 81 76 86 93 80 Dewpt 72 73 77 76 73 75 78 76 73 75 77 75 72 74 77 75 PWind dir E SE E E E NE E E Wind char GN LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW SC SC CL FW SC SC FW FW FW SC PoP 12hr 0 50 5 40 5 40 5 30 Rain shwrs C C C C C C C C $$ VIZ001-212000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 81 90 81 90 Temp 80 84 87 88 86 83 82 81 82 86 89 90 88 84 82 81 82 86 89 90 88 84 Dewpt 77 75 76 76 76 76 75 76 75 75 75 76 75 76 75 75 74 74 74 75 74 74 RH 91 74 70 68 72 80 79 85 79 70 64 64 66 77 79 82 77 68 61 62 63 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 20 20 20 20 19 23 21 21 20 19 20 21 21 23 21 20 19 20 19 19 Clouds SC B2 SC SC SC SC FW CL CL SC FW SC SC FW FW SC SC SC SC FW FW SC PoP 12hr 60 10 10 20 30 QPF 12hr 0.14 0.01 0.02 0.03 0.05 Rain shwrs S L C S S S S S S S S S S C Tstms S Obvis H H H H H H H H H H H H H Heat index 87 93 94 95 96 92 89 88 89 96 99101 98 93 90 87 89 95 98100 97 92 Max heat 93 96 96 91 96 101 101 92 95 100 100 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 90 81 89 81 90 80 90 Temp 81 86 90 84 81 86 89 84 81 86 90 84 80 86 90 84 Dewpt 74 74 75 76 76 76 76 75 76 75 75 74 74 74 74 74 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 10 10 20 20 10 20 Rain shwrs C C C S S S S S S S S S S S S S $$ VIZ002-212000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Sun Jun 21 2026 Date Sun 06/21/26 Mon 06/22/26 Tue 06/23/26 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 78 89 78 89 Temp 81 85 88 89 86 82 80 78 80 85 88 89 86 82 80 78 80 85 88 89 86 81 Dewpt 75 75 76 76 75 75 75 75 74 75 75 75 75 74 74 74 73 75 75 75 74 74 RH 82 72 68 66 70 79 85 91 82 72 66 64 70 77 82 88 79 72 66 64 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 E Wind spd 17 18 20 20 18 17 19 20 19 23 21 20 20 20 20 18 20 20 20 20 19 16 Clouds SC SC SC SC SC FW FW SC B1 SC SC SC SC FW FW B1 B1 SC SC FW FW SC PoP 12hr 20 40 20 40 20 QPF 12hr 0.03 0.05 0.02 0.04 0.05 Rain shwrs C S S S S S C S S S S C C S S S S S Obvis H H H H H H H H H H H H H Heat index 86 94 95 95 95 89 84 84 92 97 99 95 88 84 84 92 97 99 94 86 Max heat 94 97 96 87 92 99 98 87 92 99 98 Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat 06/27/26 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 77 89 78 90 78 89 79 89 Temp 77 84 89 82 78 85 90 82 78 85 89 83 79 85 89 81 Dewpt 73 74 75 75 75 75 76 75 75 75 74 74 74 74 74 74 PWind dir E E E E E E E E Wind char BZ BZ BZ BZBZ BZ GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 10 10 20 20 20 20 Rain shwrs S C C S S S S S S S S S S S S S $$