Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
976 FOCA52 TJSJ 162103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Thu Oct 16 2025 PRZ001-170800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 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 88 78 Temp 81 79 78 77 85 89 89 84 81 79 78 77 84 88 88 84 82 80 79 78 85 Dewpt 75 74 74 74 75 75 76 75 75 75 75 74 75 76 76 76 75 75 75 74 76 RH 82 85 88 90 72 64 66 74 82 88 91 90 74 68 68 77 79 85 88 88 75 Wind dir S S S S S W N NE S E S N S E E SE SE SE SE SE E Wind spd 6 5 4 4 3 3 2 1 2 2 3 3 3 4 5 2 2 4 4 4 6 Clouds SC SC SC FW SC SC OV OV SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 SC PoP 12hr 10 90 40 60 60 QPF 12hr 0.01 1.22 0.09 0.32 0.19 Rain shwrs S S S S S S D D C C S C C C C C L L L L S Tstms S S S S S S S S Heat index 87 94 99100 92 87 92 99 99 93 89 85 94 Max heat 92 85 94 100 100 87 92 99 99 87 94 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 79 90 79 90 78 89 77 88 Temp 87 82 80 86 90 83 80 85 90 82 79 85 89 81 78 84 88 81 Dewpt 75 74 75 75 76 75 74 74 74 74 74 74 75 74 74 74 75 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 SC SC B1 B1 FW FW FW FW CL FW SC SC SC SC SC SC PoP 12hr 50 40 50 5 5 10 10 20 30 Rain shwrs C C S C C C S S S S S S S S C Tstms S S $$ PRZ002-170800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 87 78 Temp 80 78 77 76 83 87 87 83 80 78 77 76 83 87 87 84 81 80 79 78 84 Dewpt 75 75 75 75 77 77 77 77 76 75 75 75 76 77 76 77 76 76 76 76 77 RH 85 91 94 97 82 72 72 82 88 91 94 97 80 72 70 80 85 88 91 94 80 Wind dir SW SW SW SW SW S S SW SW S SW SW S S S S SE SE SE E E Wind spd 8 9 9 8 9 10 12 12 8 5 2 3 5 8 8 5 5 6 8 6 9 Clouds SC FW SC FW SC SC B2 SC B1 SC B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 SC PoP 12hr 10 50 50 50 50 QPF 12hr 0.01 0.13 0.14 0.10 0.17 Rain shwrs S S S S C C C C C C C C C C C C C C C Tstms S S S S S S S S S Heat index 85 92 99 99 92 86 91 99 98 94 87 86 94 Max heat 89 92 100 99 91 99 98 87 94 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 79 88 78 88 78 87 77 87 Temp 86 82 80 85 88 81 79 84 88 81 79 84 87 80 78 83 87 80 Dewpt 76 76 75 77 76 75 75 76 76 75 74 76 75 75 75 76 76 75 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN BZ GN GN Avg clouds B1 B1 SC B1 B1 SC SC SC FW FW CL FW SC SC SC SC B1 B1 PoP 12hr 50 50 50 20 10 20 20 40 40 Rain shwrs C C C C C S S S S S S S S C C C Tstms S S $$ PRZ007-170800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 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 88 76 88 77 Temp 80 78 77 76 84 88 88 83 80 78 77 76 84 88 88 84 81 79 78 77 85 Dewpt 76 75 75 74 76 78 78 77 76 75 74 73 76 78 78 77 77 75 74 73 76 RH 88 91 94 94 77 72 72 82 88 91 90 90 77 72 72 80 88 88 88 87 75 Wind dir NW W NW NW NW SW SW S NE N N N NE SE SE SE E E E NE E Wind spd 2 1 1 2 3 9 11 6 1 2 2 3 3 6 8 4 3 4 4 4 5 Clouds SC B1 B2 B2 B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 60 60 60 60 50 QPF 12hr 0.33 0.38 0.42 0.62 0.17 Rain shwrs S C L L C C L L C C C L L L C C C C C C C Tstms S S S S S S S S S S S S S S Heat index 86 93102102 92 86 93102102 94 88 94 Max heat 90 93 102 102 86 93 102 102 86 94 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 90 77 90 77 89 77 88 Temp 88 81 78 85 90 81 78 84 90 81 78 84 89 81 78 84 88 80 Dewpt 78 75 73 75 78 75 73 75 76 74 73 75 76 75 73 75 77 75 PWind dir E NE E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC FW CL CL FW SC SC FW FW FW FW FW SC B1 PoP 12hr 30 20 20 0 10 5 10 20 40 Rain shwrs C C S S S S S S S S S S S C C $$ PRZ008-170800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 86 76 85 75 Temp 79 78 77 76 83 86 86 82 80 78 77 76 82 85 85 81 79 77 76 75 82 Dewpt 75 75 75 73 75 76 76 75 75 74 73 72 75 76 75 75 75 74 74 72 75 RH 88 91 94 90 77 72 72 79 85 88 87 87 79 75 72 82 88 90 94 90 79 Wind dir SW SW SW SW SW SW SW SW S S S S SE NE N NE E E E E E Wind spd 10 10 9 9 8 11 13 11 9 6 4 4 3 2 3 4 6 8 5 4 3 Clouds B1 B2 B2 B2 SC B1 B2 SC OV SC SC B1 SC SC B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 70 70 60 60 QPF 12hr 0.25 0.12 0.11 0.12 0.23 Rain shwrs C C L C C C C C L C S C S S C C L L L L C Tstms S S S S S S S S S S S S Heat index 90 96 96 89 85 89 94 94 87 89 Max heat 87 90 96 96 89 94 94 89 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 76 88 76 88 75 87 75 86 Temp 84 79 77 83 88 80 77 83 88 79 76 82 87 79 76 82 86 78 Dewpt 76 76 74 75 77 75 73 74 75 74 73 74 75 75 73 74 76 75 PWind dir E E E E E E E E E Wind char GN GN BZ GN BZ GN BZ GN GN Avg clouds B2 B1 SC SC SC B1 CL CL SC SC CL CL FW SC FW FW B1 B1 PoP 12hr 60 10 60 0 50 0 40 20 60 Rain shwrs L L S S L L C C C C S L L Tstms S S S S $$ PRZ010-170800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 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 90 75 91 75 Temp 80 78 77 76 85 90 90 84 80 78 76 75 85 91 91 84 80 78 76 75 85 Dewpt 76 76 75 75 78 79 79 77 76 75 75 74 76 78 78 77 76 76 75 74 76 RH 88 94 94 97 80 70 70 80 88 91 97 97 75 66 66 80 88 94 97 97 75 Wind dir SW S SW S S SW SW SW S S S S SE S S E E E E E E Wind spd 8 8 6 5 6 10 11 10 6 5 4 4 4 6 8 3 4 6 4 3 4 Clouds SC B2 OV OV B1 B2 B2 SC SC SC SC B2 B1 B1 B2 B2 B2 B2 B2 B2 SC PoP 12hr 70 50 50 60 60 QPF 12hr 0.38 0.23 0.08 0.21 0.20 Rain shwrs C C L L C C C C S S S C C C C C L L L L C Tstms S S S S S S S S S S S S Heat index 86 97106106 94 86 94106106 94 86 94 Max heat 91 86 97 106 106 94 106 106 86 94 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 74 93 75 93 74 92 75 91 Temp 90 80 75 85 93 81 76 85 93 80 75 85 92 80 76 85 91 79 Dewpt 78 76 73 76 79 76 73 75 76 74 73 75 77 75 73 75 77 75 PWind dir NE E E E E E E E E Wind char LT LT LT LT LT LT GN GN GN Avg clouds B1 B1 SC SC SC B1 CL CL SC B1 FW FW SC B1 FW FW B1 B1 PoP 12hr 60 10 60 0 50 5 50 20 60 Rain shwrs L L S S L L C C S S C C S L L Tstms S S S S $$ VIZ001-170800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 88 81 88 82 Temp 84 83 82 82 86 88 88 86 84 83 82 81 86 88 88 86 84 83 83 82 86 Dewpt 77 77 78 78 78 78 78 78 77 78 77 77 77 78 77 77 77 77 77 77 77 RH 80 82 88 88 77 72 72 77 80 85 85 88 75 72 70 75 80 82 82 85 75 Wind dir SW SW SW SW SW SW SW SW SW SW SW S S S S SE SE E E E E Wind spd 14 13 14 13 14 13 14 16 14 10 8 8 9 9 6 6 9 11 10 10 17 Clouds SC SC SC B2 SC SC B2 B1 B2 B1 SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 60 60 50 40 QPF 12hr 0.11 0.12 0.15 0.11 0.12 Rain shwrs S S C C S S C C L C C C C C C C C C C C S Tstms S S S S S S Heat index 94 92 91 91 98102102 98 94 93 90 88 97102100 97 94 92 92 90 97 Max heat 97 95 98 103 102 93 97 102 100 94 97 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 82 89 81 90 81 89 80 88 Temp 87 84 83 86 89 84 82 86 90 84 82 86 89 83 81 85 88 82 Dewpt 77 77 78 78 78 77 77 77 76 76 76 77 77 77 77 77 77 77 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC B1 SC B1 SC FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 50 10 20 20 20 20 30 Rain shwrs C C C C C S S S S S S S S S S S S C Tstms S S $$ VIZ002-170800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Thu Oct 16 2025 Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 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 87 77 88 78 Temp 80 79 78 77 84 87 87 83 81 79 78 77 84 88 88 84 82 80 79 78 84 Dewpt 77 77 77 76 78 77 78 77 77 76 76 76 77 77 77 77 76 76 76 76 77 RH 91 94 97 97 82 72 75 82 88 91 94 97 80 70 70 80 82 88 91 94 80 Wind dir SW S SW SW SW S SW SW SW S S S S S S SE SE E E E E Wind spd 10 12 12 10 11 13 14 12 10 9 6 8 9 11 10 8 9 10 10 11 16 Clouds SC SC B1 SC B1 B1 B2 B1 B2 B1 B2 B1 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 40 50 60 60 10 QPF 12hr 0.09 0.13 0.30 0.37 0.01 Rain shwrs C S C C C C C C C C C C L L L L S S S S S Tstms S S S S S S S S Heat index 87 95 99100 92 88 94100100 94 89 86 94 Max heat 92 87 95 100 100 87 94 100 100 87 94 Date 10/19 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 86 78 88 78 89 78 87 76 87 Temp 86 81 79 84 88 81 79 84 89 81 79 84 87 80 77 83 87 80 Dewpt 76 77 77 77 78 76 75 76 76 76 75 77 77 76 75 77 76 75 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 B1 B1 SC FW SC SC SC FW SC SC SC FW SC SC B1 B1 PoP 12hr 40 40 30 20 20 20 20 30 50 Rain shwrs S C C C C S S S S S S S S S S C C C $$