FPMY60 PGUM 201805 SFTGUM GUZ001-MPZ003-210700- Tabular State Forecast for Guam National Weather Service Tiyan GU 405 AM 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 Today Mon Tue Wed Thu Fri Sat Jun 21 Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 ...GUAM... Tiyan Ptsunny Ptcldy Ptsunny Ptsunny Ptsunny Ptsunny Ptcldy /88 78/88 78/88 78/88 78/87 79/88 79/88 /30 20/30 20/30 20/20 20/30 30/20 20/20 ...NORTHERN MARIANA ISLANDS... Saipan Airport Ptsunny Ptcldy Ptsunny Ptsunny Ptsunny Ptsunny Ptcldy /88 78/88 78/88 78/88 78/87 79/89 79/89 /30 20/30 20/30 20/20 20/30 30/20 20/20 $$