| NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 333 PM ChST Mon Apr 20 2026 |  |
| Tonight: Mostly clear. Light and variable winds. A slight chance of haze. Lows around 75. Tuesday: Mostly sunny with isolated light showers in the afternoon. Northeast winds 10 to 15 mph. Highs near 89. Chance of showers 10 percent. Tuesday Night: Partly cloudy with isolated light showers. Northeast winds 10 to 15 mph. Lows around 76. Chance of showers 10 percent. Wednesday Through Thursday: Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs near 88. Lows around 76. chance of showers 10 percent. Thursday Night: Partly cloudy with a 10 percent chance of light showers. Lows in the mid 70s. Friday Through Monday: Breezy. Mostly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. | |
| Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |