Thomaston Weather Forecast

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 79

    Partly Sunny

    • 58
    • 81

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

Today 19 Aug Southern La Porte

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. West Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 19 Aug Southern La Porte

Partly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Thomaston Temperature Statistics

August Temperature

Starke County Airport (8.1 miles)

  • Lowest 3 August, 2025

    50 °F

  • Average August

    72.2 °F

  • Highest 16 August, 2025

    91.4 °F

Climate (2020–Present)

Starke County Airport (8.1 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    61 °F
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