| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 1123 PM CDT Tue Mar 31 2026 | |
| Overnight: Partly cloudy. Near steady temperature in the lower 70s. Southeast winds 10 to 15 mph. Wednesday: Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 70s. Southeast winds 10 to 15 mph. Chance of rain 30 percent. Wednesday Night: Mostly cloudy. Lows in the lower 70s. Southeast winds 15 to 20 mph. Thursday: Mostly cloudy with a chance of showers. Highs in the upper 70s. Southeast winds 15 to 20 mph. Chance of rain 30 percent. Thursday Night: Mostly cloudy. Lows in the lower 70s. Southeast winds 15 to 20 mph. Friday: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent. Friday Night: Mostly cloudy. Near steady temperature in the mid 70s. Saturday: Mostly cloudy. Showers likely in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. Saturday Night: Showers likely with a chance of thunderstorms. Breezy, cooler with lows in the lower 60s. Chance of rain 60 percent. Sunday: Cloudy with a chance of showers. Breezy with highs in the upper 60s. Chance of rain 50 percent. Sunday Night: Cloudy. A chance of showers in the evening. Breezy with lows in the upper 50s. Chance of rain 40 percent. Monday: Partly sunny and breezy. Highs in the upper 60s. Monday Night: Partly cloudy. Lows in the lower 60s. Tuesday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |