7-Day Zone Forecast for Trinity County (Text-Only)
NWS Forecast for: Trinity County
Issued by: National Weather Service Houston, TX
Last Update: 1138 AM CDT Mon Aug 18 2025
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This Afternoon: Sunny. A chance of showers and thunderstorms. Hot with highs in the upper 90s. Light and variable winds, becoming northeast around 5 mph. Chance of rain 40 percent. Heat index values up to 106.

Tonight: Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 70s. East winds around 5 mph. Chance of rain 40 percent.

Tuesday: Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. North winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 107.

Tuesday Night: Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph, becoming southwest after midnight.

Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 111.

Wednesday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 110 early in the evening.

Thursday: Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. Heat index values up to 105.

Thursday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 40 percent.

Friday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 105.

Friday Night: Partly cloudy. Lows in the mid 70s.

Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent.

Saturday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.

Sunday: Sunny, hot with highs in the mid 90s.







Zone Forecast: Trinity County

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