| NWS Forecast for: Grimes County Issued by: National Weather Service Houston, TX Last Update: 122 AM CDT Wed Sep 23 2026 |  |
| Rest Of Tonight: Mostly clear. Lows in the mid 70s. Light and variable winds. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s. East winds 5 to 10 mph. Thursday: Mostly sunny. Hot with highs in the mid 90s. East winds 5 to 10 mph. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. East winds 5 to 10 mph. Friday: Mostly sunny. Hot with highs in the mid 90s. Friday Night: Partly cloudy. Lows around 70. Saturday: Partly sunny. Hot with highs in the mid 90s. Saturday Night: Mostly cloudy. Lows in the lower 70s. Sunday: Mostly sunny. Hot with highs in the mid 90s. Sunday Night: Partly cloudy. Lows in the lower 70s. Monday: Mostly sunny. Hot with highs in the mid 90s. Monday Night: Partly cloudy. Lows in the lower 70s. Tuesday: Partly sunny. A chance of showers in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. | |
| Zone Forecast: Grimes County | |
Visit your local NWS office at: https://www.weather.gov/hgx |