| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 124 PM CDT Mon May 4 2026 | |
| This Afternoon: Mostly sunny. Near steady temperature in the upper 70s. South winds around 15 mph. Tonight: Mostly cloudy. Lows in the lower 70s. South winds 15 to 20 mph. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s. South winds 15 to 20 mph. Tuesday Night: Mostly cloudy. Near steady temperature in the upper 70s. South winds 15 to 20 mph. Wednesday: Mostly cloudy in the morning, then becoming partly sunny. Humid with highs in the lower 80s. South winds 10 to 15 mph. Wednesday Night: Mostly cloudy. Lows in the lower 70s. Thursday: Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent. Thursday Night: Cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. Friday: A chance of showers in the morning. Mostly cloudy. Highs in the upper 70s. Chance of rain 50 percent. Friday Night: Mostly cloudy. Near steady temperature in the mid 70s. Saturday: Mostly cloudy in the morning, then becoming mostly sunny. Highs around 80. Saturday Night: Mostly cloudy. Near steady temperature in the mid 70s. Sunday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |