| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 124 PM CDT Tue Jul 14 2026 |  |
| This Afternoon: Showers likely with a chance of thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 60 percent. Tonight: Mostly cloudy with a slight chance of showers. A chance of thunderstorms, mainly in the evening. Humid. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Wednesday: Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent. Wednesday Night: Mostly cloudy. Humid. Near steady temperature in the mid 80s. Southeast winds 10 to 15 mph. Thursday: Mostly sunny. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph. Heat index values up to 105. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the mid 80s. Friday: Mostly sunny. Highs around 90. Heat index values up to 105. Friday Night: Partly cloudy. Near steady temperature in the mid 80s. Saturday: Mostly sunny. Highs around 90. Saturday Night: Mostly clear. Lows in the lower 80s. Sunday: Sunny. Highs around 90. Sunday Night: Mostly clear. Lows in the lower 80s. Monday: Sunny. Highs around 90. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |