FPMY60 PGUM 221810 SFTGUM GUZ001-MPZ003-230700- Tabular State Forecast for Guam National Weather Service Tiyan GU 410 AM ChST Sun Aug 23 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Today Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...GUAM... Tiyan Ptsunny Mocldy Ptsunny Shwrs Shwrs Ptsunny Ptsunny /88 78/86 77/85 78/82 78/84 78/85 79/87 /30 40/40 30/40 40/60 60/60 70/30 40/30 ...NORTHERN MARIANA ISLANDS... Saipan Airport Ptsunny Ptsunny Mocldy Mocldy Shwrs Mocldy Ptsunny /88 79/87 79/86 77/85 78/86 77/83 78/85 /20 40/30 50/40 30/40 40/50 50/40 30/40 $$