FOMY50 PGUM 150526 PFMGUM Point Forecast Matrices National Weather Service Tiyan GU 326 PM ChST Thu Oct 15 2026 GUZ001-151800- Guam International Airport-Tiyan GU 13.48N 144.79E Elev. 248 ft 326 PM ChST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 79 87 76 84 76 Temp 87 85 83 81 80 80 84 87 86 84 81 78 77 77 81 84 83 82 80 78 76 Dewpt 76 76 77 77 77 77 77 77 77 77 77 78 78 78 78 77 77 78 78 78 78 RH 70 75 82 88 91 91 80 72 75 80 88100103103 91 80 82 88 94100107 Wind dir NE NE NE NE NE NE NE NE NE NE N NE NE NE NE N N N N N NW Wind spd 5 3 2 2 3 3 8 8 8 4 4 9 10 10 12 12 13 13 13 23 42 Wind gust 54 Clouds CL B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV PoP 12hr 30 20 30 50 100 QPF 12hr 0 0 0.28 0.37 0.97 Rain O O O O Rain shwrs S S S S S S S S C C C C C C C C L L L C Tstms S Heat index 97 95 91 87 84 85 93 98 97 94 89 89 95 94 93 90 88 85 Max heat 97 96 90 93 98 96 87 89 95 94 90 Typhoon A A A A A A A A A A A A A A A A A A A A A Date 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 83 74 84 77 85 79 86 80 88 Temp 80 82 78 75 80 83 80 77 82 84 82 79 83 85 83 80 84 87 Dewpt 78 79 79 79 79 79 79 79 79 78 79 79 78 78 78 78 78 78 PWind dir SW SW S S S S SE E NE Wind char SD VW VW BZ GN GN GN LT LT Avg clouds OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 100 90 60 30 30 30 30 30 Rain O O O Rain shwrs L L C C L L L C C C C C C C C C C C Tstms S S S S S S S S S $$ MPZ001-151800- Rota International Airport-Sinapalu MP 14.17N 145.23E Elev. 592 ft 326 PM ChST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 78 86 75 84 76 Temp 86 84 82 79 78 78 83 86 85 83 80 77 75 76 80 84 83 82 79 77 76 Dewpt 76 77 77 77 77 77 77 76 77 77 78 78 78 78 78 78 78 78 78 78 78 RH 72 80 85 94 97 97 82 72 77 82 94103110107 94 82 85 88 97103107 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N Wind spd 8 6 8 9 10 10 12 13 13 11 10 11 12 12 13 14 16 17 17 41 48 Wind gust 51 62 Clouds CL B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV PoP 12hr 30 20 30 50 100 QPF 12hr 0 0.130.38 0.56 0.70 Rain O O O O Rain shwrs S S S S S S S S C C C C C C C C C C C C Tstms S S Heat index 96 93 89 84 91 96 95 92 85 88 95 94 93 90 86 Max heat 96 95 88 91 96 94 88 95 94 89 Typhoon A A A A A A A A A A A A A A A A A A A A A Date 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 82 73 83 77 83 79 84 80 86 Temp 79 81 77 73 79 82 80 77 80 82 81 79 82 84 82 81 84 85 Dewpt 79 79 80 79 79 79 79 79 79 79 79 79 78 78 79 78 78 78 PWind dir E S S S S S SE E NE Wind char SD SD SD WY WY BZ GN LT GN Avg clouds OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 100 100 80 40 30 30 30 30 Rain O O O Rain shwrs L L C L O O O C C C C C C C C C C C Tstms S S S S S S S $$ MPZ002-151800- Tinian-San Jose MP 14.97N 145.63E Elev. 74 ft 326 PM ChST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 79 87 77 85 76 Temp 87 85 83 81 80 80 84 87 86 84 82 79 78 78 82 85 84 82 80 78 77 Dewpt 77 77 77 77 77 77 76 76 77 78 78 78 78 78 77 78 78 78 78 79 79 RH 72 77 82 88 91 91 77 70 75 82 88 97100100 85 80 82 88 94103107 Wind dir E E NE NE NE NE E NE NE NE NE NE NE NE NE NE N N N NE NE Wind spd 8 8 10 10 10 10 12 12 12 12 13 16 16 16 17 17 19 20 24 35 42 Wind gust 54 Clouds CL B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 30 20 30 50 100 QPF 12hr 0.01 0 0.17 0.40 0.64 Rain O O O O Rain shwrs S S S S S S S S C C C C C C C C C C C C Tstms S S Heat index 98 96 92 88 84 85 93 98 97 95 90 91 97 96 94 91 88 85 Max heat 98 97 91 93 98 97 89 91 97 96 90 Typhoon A A A A A A A A A A A A A A A A A A A A A Date 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 83 74 84 77 84 79 87 80 88 Temp 80 82 78 75 80 83 80 77 81 84 81 79 84 86 83 80 85 87 Dewpt 79 80 80 79 79 79 79 79 79 79 79 79 78 78 79 79 78 78 PWind dir E SE S S S S SE E E Wind char SD SD SD WY BZ BZ GN GN GN Avg clouds OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 100 90 80 40 30 3030 30 Rain O O O Rain shwrs C C C C O O O C C C C C C C C C C C Tstms S S S S S S S $$ MPZ003-151800- Saipan International Airport-Obyan MP 15.11N 145.72E Elev. 215 ft 326 PM ChST Thu Oct 15 2026 Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 79 87 77 85 76 Temp 87 85 83 81 80 80 84 87 86 84 82 79 78 78 82 85 84 82 80 78 77 Dewpt 77 77 77 77 77 76 76 76 77 78 78 78 78 77 77 78 78 78 78 79 79 RH 72 77 82 88 91 88 77 70 75 82 88 97100 97 85 80 82 88 94103107 Wind dir E E NE NE NE NE E NE NE NE NE NE NE NE NE NE N N NE NE NE Wind spd 8 8 9 9 9 10 13 13 12 11 12 16 17 17 18 19 20 21 25 31 40 Wind gust 51 Clouds CL B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 30 20 30 50 100 QPF 12hr 0.01 0.04 0.18 0.40 0.63 Rain O O O O Rain shwrs S S S S S S S S C C C C C C C C C C C C Tstms S S Heat index 98 96 92 88 84 85 93 98 97 95 90 91 97 96 94 91 88 85 Max heat 98 98 91 93 98 97 89 91 97 96 90 Typhoon A A A A A A A A A A A A A A A A A A A A A Date 10/18/26 Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 83 74 84 77 85 79 87 80 88 Temp 80 82 78 75 80 83 80 77 81 84 82 79 83 86 83 81 85 87 Dewpt 79 80 80 79 79 79 79 79 79 79 79 79 79 79 79 79 78 78 PWind dir E SE S S S S SE E E Wind char SD SD SD WY BZ GN GN LT GN Avg clouds OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 100 90 80 40 30 30 30 30 Rain O O O Rain shwrs C C C C O O O C C C C C C C C C C C Tstms S S S S S S S $$