


NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 356 AM ChST Fri Oct 17 2025 | |
Today: Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs near 87. Chance of showers 20 percent. Tonight: Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. Saturday: Breezy. Partly sunny with isolated showers. East winds 15 to 25 mph. Highs near 87. Chance of showers 20 percent. Saturday Night: Mostly cloudy with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Lows around 78. Chance of showers 30 percent. Sunday: Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs near 87. Chance of showers 20 percent. Sunday Night: Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Monday: Partly sunny with a 30 percent chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Monday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Tuesday: Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s. Tuesday Night Through Wednesday Night: Mostly cloudy with a 30 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. Thursday: Mostly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. | |
Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |