| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 122 AM CDT Tue Sep 22 2026 | |
Rest Of Tonight: Mostly clear with a 30 percent chance of showers. Near steady temperature in the mid 80s. Southeast winds around 5 mph. Tuesday: Sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. North winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 20 percent. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph, becoming east after midnight. Wednesday: Sunny with highs in the lower 90s. Northeast winds 10 to 15 mph. Heat index values up to 106. Wednesday Night: Partly cloudy. Humid with lows in the lower 80s. East winds 5 to 10 mph. Thursday: Mostly sunny. Highs around 90. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 80s. Friday: Mostly sunny. Highs in the upper 80s. Friday Night: Partly cloudy. Near steady temperature in the mid 80s. Saturday: Mostly sunny. Highs in the upper 80s. Saturday Night: Partly cloudy. Near steady temperature in the mid 80s. Sunday: Mostly sunny. Highs in the upper 80s. Sunday Night: Partly cloudy. Lows in the lower 80s. Monday: Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |