Thomaston Weather Forecast

    • 76
    • 98

    Rain Showers Likely

    • 75
    • 94

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 75
    • 97

    Hot

    • 76
    • 98

    Hot

Today 23 Jul De Witt

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 110.

Tonight 23 Jul De Witt

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Thunderstorms in the evening. A chance of Showers. Humid with Lows in the mid 70s. Northeast Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph after midnight. Chance of rain 50 percent. Highest heat index Readings up to 105 early in the evening.

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Thomaston Temperature Statistics

July Temperature

Victoria, Victoria Regional Airport (16.2 miles)

  • Lowest 15 July, 2026

    70.6 °F

  • Average July

    84.4 °F

  • Highest 5 July, 2026

    99.6 °F

Climate (2021–2026)

Victoria, Victoria Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    62.2 °F

  • Average 2021–2026

    72.1 °F

  • Average High 2021–2026

    83.8 °F
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