| NWS Forecast for: Galveston TX Issued by: National Weather Service Houston, TX Last Update: 8:46 am CDT May 19, 2026 |  |
Today: A 40 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 86. Southeast wind around 15 mph, with gusts as high as 20 mph. Tonight: A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph. New rainfall amounts between a quarter and half of an inch possible. Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 85. Southeast wind around 10 mph. Wednesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 79. Southeast wind around 10 mph. Chance of precipitation is 20%. Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Southeast wind 10 to 15 mph. Chance of precipitation is 70%. Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 79. Chance of precipitation is 70%. Friday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%. Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 79. Chance of precipitation is 70%. Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%. Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 79. Chance of precipitation is 80%. Sunday: Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%. Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 70%. Memorial Day: Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%. | |
| Galveston TX 29.29°N 94.79°W (Elev. 10 ft) | |
Visit your local NWS office at: https://www.weather.gov/hgx |
