Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
221 FOCA52 TJSJ 071946 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 346 PM AST Tue Oct 7 2025 PRZ001-080830- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 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 92 78 91 78 Temp 84 82 80 79 78 86 91 92 85 82 80 79 78 85 90 91 85 82 80 79 78 85 Dewpt 76 76 75 75 75 76 76 75 75 75 75 75 74 75 76 76 75 75 75 75 74 75 RH 77 82 85 88 91 72 62 58 72 79 85 88 88 72 64 62 72 79 85 88 88 72 Wind dir E E SE SE SE SE SE SE SE S S S S SE SE E E E SE SE S S Wind spd 8 6 5 4 3 5 9 12 10 6 6 6 5 6 10 14 9 8 5 3 3 4 Clouds B1 SC B1 SC SC FW SC SC SC SC SC B1 SC SC SC B2 B2 SC SC SC SC SC PoP 12hr 40 40 40 50 30 QPF 12hr 0.25 0.16 0.23 0.70 0.05 Rain shwrs C C C C C S C S S S S C C C C C C C C C C C Tstms S S S S Heat index 93 89 85 96103103 94 89 86 94102103 93 88 85 94 Max heat 102 87 96 104 101 88 94 103 101 87 94 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 77 91 78 91 78 92 79 92 Temp 91 81 78 85 91 82 79 85 91 82 79 86 92 83 80 86 92 83 Dewpt 76 75 74 75 76 75 75 75 75 74 74 74 75 75 74 75 75 75 PWind dir W S SE SE E E E SE E Wind char LT LT LT LT LT LT GN LT GN Avg clouds SC B1 B1 B1 B1 B2 SC B1 B1 SC SC SC B1 SC FW SC FW FW PoP 12hr 40 40 60 50 50 40 40 10 10 Rain shwrs C C C C L L C C C C S C C S S S S $$ PRZ002-080830- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 78 90 78 Temp 84 81 80 79 78 84 88 89 84 81 80 79 78 85 89 90 84 82 80 79 78 84 Dewpt 77 77 76 76 76 77 77 77 77 76 76 76 76 77 78 76 76 76 76 76 76 77 RH 80 88 88 91 94 80 70 68 80 85 88 91 94 77 70 64 77 82 88 91 94 80 Wind dir E E SE SE S SE SE SE SE SE E SE SE SE SE SE E E E E E SW Wind spd 6 6 6 8 6 6 9 9 8 8 8 6 8 10 10 10 6 8 6 5 4 4 Clouds B2 B2 B2 SC SC SC SC SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 50 50 40 40 QPF 12hr 0.58 0.24 0.37 0.36 0.10 Rain shwrs C C L C C S C C C C C C C C C C C C C C C C Tstms S S S S S Heat index 93 89 85 94100101 93 88 85 95103101 93 89 86 94 Max heat 102 87 94 102 100 87 95 103 100 87 94 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 77 89 78 89 78 90 79 90 Temp 89 81 78 84 89 81 79 84 89 81 79 85 90 82 80 85 90 82 Dewpt 76 76 75 77 76 76 76 77 76 75 75 76 76 75 75 77 76 76 PWind dir S S SE SE SE E E E E Wind char LT LT GN LT LT LT GN LT LT Avg clouds B1 B1 B1 B1 B1 B2 SC B1 B1 SC SC SC SC SC CL FW SC CL PoP 12hr 40 40 60 50 50 30 30 20 20 Rain shwrs C C C C L L C C C S S C C S S S $$ PRZ007-080830- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 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 89 76 90 75 Temp 84 81 79 78 77 84 88 89 83 80 78 77 76 84 89 90 83 80 78 76 75 83 Dewpt 78 77 75 75 74 76 78 78 78 76 76 73 73 76 78 79 78 77 75 74 73 75 RH 82 88 88 91 90 77 72 70 85 88 94 87 90 77 70 70 85 91 91 94 94 77 Wind dir E NE NE NE NE E SE SE SE NE NE NE NE E SE SE SE E N N N NE Wind spd 4 3 3 3 4 5 8 8 6 4 4 4 3 4 9 8 5 3 3 3 3 1 Clouds B1 SC SC FW FW CL CL CL FW SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 20 20 30 30 10 QPF 12hr 0.07 0.11 0.16 0.20 0.01 Rain shwrs C S S S S S S C S S S C C S S S S Tstms S Heat index 95 89 84 92102103 92 85 93103106 92 85 90 Max heat 106 87 92 104 101 84 93 106 104 90 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 77 90 77 90 76 90 77 90 Temp 89 81 78 84 90 81 78 84 90 80 77 84 90 81 78 84 90 81 Dewpt 78 76 74 76 78 76 74 76 78 76 73 75 77 76 73 75 73 72 PWind dir S E SE E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC CL FW FW FW PoP 12hr 60 10 50 20 20 30 30 0 0 Rain shwrs L L S S C C S S S S S C C S $$ PRZ008-080830- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 87 75 Temp 82 79 78 77 76 82 86 87 82 79 78 77 76 82 86 87 81 79 77 76 75 82 Dewpt 75 75 75 74 72 75 76 76 75 75 75 73 72 74 76 76 75 75 75 74 73 75 RH 79 88 91 90 87 79 72 70 79 88 91 87 87 77 72 70 82 88 94 94 94 79 Wind dir E E E SE SE SE NE N NE E E SE SE SE N N NE E E SE SE SE Wind spd 10 8 5 2 2 3 3 5 1 4 2 3 5 4 3 5 4 3 3 2 8 5 Clouds B2 B2 B1 FW CL FW FW B2 B2 SC FW FW FW FW FW B2 B2 FW FW FW FW SC PoP 12hr 60 60 30 50 10 QPF 12hr 0.19 1.28 0.06 0.77 0.01 Rain shwrs L L C S S S C L C C C S S S S S Tstms S S S S S S S Heat index 88 83 89 96 97 88 83 88 96 97 87 88 Max heat 97 89 98 96 88 98 96 88 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 76 88 76 88 76 88 76 88 Temp 87 79 77 83 88 80 77 83 88 80 77 83 88 80 77 83 88 80 Dewpt 76 75 74 75 76 75 73 75 75 75 74 74 76 75 73 75 76 75 PWind dir SW SE S SE E E E E E Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC B2 B2 B2 B1 B2 B1 SC FW SC PoP 12hr 20 5 20 20 60 60 60 40 20 Rain shwrs S S S S S S S S L L L L L L C C S S Tstms S S S S S S $$ PRZ010-080830- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 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 75 93 74 93 75 Temp 84 80 78 76 75 85 92 93 84 80 77 75 74 85 91 93 84 80 78 76 75 85 Dewpt 77 76 75 75 75 76 78 78 77 76 76 74 74 76 78 79 78 76 76 75 74 76 RH 80 88 91 97100 75 64 62 80 88 97 97100 75 66 64 82 88 94 97 97 75 Wind dir E E E E E E S S E E E E S E SW W NE E S N S SE Wind spd 3 4 4 4 4 3 5 9 5 5 4 2 3 3 3 4 2 5 4 3 4 4 Clouds OV B1 SC FW CL CL CL B2 B2 SC FW FW FW FW FW B2 B2 CL CL CL CL CL PoP 12hr 40 50 30 60 0 QPF 12hr 0.08 0.90 0.07 1.07 0 Rain shwrs D C S S C C C L L Tstms S S S S S S Heat index 94 86 95107108 93 85 94107110 95 86 94 Max heat 107 84 95 110 106 94 110 108 84 94 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 74 93 75 93 75 93 74 93 Temp 92 79 75 85 93 80 76 85 93 80 76 85 93 80 75 85 93 80 Dewpt 78 76 74 76 78 76 75 75 78 75 74 75 77 76 74 76 78 76 PWind dir S SE SE SE SE E E E SE Wind char LT LT GN GN LT LT LT LT LT Avg clouds FW SC CL CL FW SC SC SC SC B2 B2 B2 B1 B2 B2 SC FW SC PoP 12hr 40 0 20 20 60 60 60 50 20 Rain shwrs C C S S S S L L L L L L C C S S Tstms S S S S S S $$ VIZ001-080830- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 91 82 91 81 Temp 86 84 83 82 81 87 90 91 87 85 84 83 82 87 90 91 86 84 83 82 81 87 Dewpt 77 77 78 77 77 78 77 78 77 77 78 78 77 78 78 77 78 77 77 77 77 78 RH 75 80 85 85 88 75 66 66 72 77 82 85 85 75 68 64 77 80 82 85 88 75 Wind dir E E SE SE SE SE SE SE SE SE E SE SE SE SE E E E E E E S Wind spd 8 11 13 11 10 10 11 12 12 12 16 13 17 16 14 13 10 14 12 13 9 6 Clouds B1 B2 B2 SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 50 50 50 50 QPF 12hr 0.56 0.27 0.39 0.49 0.30 Rain shwrs C C L C C C C C C C C C C C C C C C C C C C Tstms S S S S S Heat index 97 93 92 89 88 99103106 98 95 94 92 90100105104 99 94 91 90 88 99 Max heat 105 93 99 106 105 95 100 105 104 93 99 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 82 91 81 91 82 91 82 91 Temp 91 85 83 87 91 84 82 87 91 85 83 87 91 85 83 87 91 85 Dewpt 77 76 77 78 77 77 77 77 77 76 76 77 77 76 77 77 77 76 PWind dir S S SE SE E E E E E Wind char LT GN BZ GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 SC B1 B1 SC B1 B1 SC FW CL FW SC CL PoP 12hr 50 50 60 60 60 40 20 20 20 Rain shwrs C C C C L L C L L C C C S S S S Tstms S S S S S $$ VIZ002-080830- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 346 PM AST Tue Oct 7 2025 Date 10/07/25 Wed 10/08/25 Thu 10/09/25 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 89 77 90 77 Temp 84 81 79 78 77 84 88 89 83 81 79 78 77 84 89 90 84 81 79 78 77 84 Dewpt 77 76 76 76 76 77 77 78 77 76 77 76 76 77 78 77 77 76 77 76 76 77 RH 80 85 91 94 97 80 70 70 82 85 94 94 97 80 70 66 80 85 94 94 97 80 Wind dir E E SE SE SE SE SE SE SE SE E E SE SE E E E E E E E S Wind spd 9 10 10 9 8 10 12 12 10 11 12 13 14 12 14 12 9 12 10 11 5 4 Clouds SC SC B2 SC SC SC SC SC SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 40 50 60 50 QPF 12hr 0.50 0.23 0.35 0.55 0.30 Rain shwrs C C L C S C C C C C C C C C C L L C C C C C Tstms S S S Heat index 93 87 84 93100103 92 87 83 94103103 93 87 84 93 Max heat 103 86 93 103 101 86 94 104 101 86 93 Date 10/10 Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 77 89 78 89 78 90 78 90 Temp 89 81 78 84 89 81 79 84 89 81 79 85 90 82 79 85 90 82 Dewpt 77 76 77 78 78 76 76 77 76 75 75 77 76 76 76 77 76 76 PWind dir S S SE E E E E E E Wind char LT GN BZ GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW CL FW SC CL PoP 12hr 50 50 60 60 60 60 20 20 20 Rain shwrs C C C C L L C L L L L L S S S S Tstms S S S S S $$