FPMY60 PGUM 210550 SFTGUM GUZ001-MPZ003-211900- Tabular State Forecast for Guam National Weather Service Tiyan GU 350 PM ChST Sun Jun 21 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 Mon Tue Wed Thu Fri Sat Sun Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 Jun 28 ...GUAM... Tiyan Ptsunny Ptsunny Ptcldy Ptcldy Ptsunny Ptsunny Ptcldy 79/88 78/87 77/88 77/88 78/88 79/88 79/88 20/30 20/30 30/20 20/20 30/30 20/20 20/20 ...NORTHERN MARIANA ISLANDS... Saipan Airport Ptsunny Mocldy Ptsunny Ptsunny Ptsunny Ptcldy Ptcldy 79/88 78/87 77/88 77/88 78/88 79/89 79/89 20/30 30/40 30/20 20/20 30/30 20/20 20/20 $$