Thomaston Weather Forecast

    • 69
    • 91

    Mostly Sunny

    • 69
    • 91

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 61
    • 80

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 81

    Partly Sunny

Today 21 Sep Upson

Sunny. Highs in the lower 90s. Light northeast Winds.

Tonight 21 Sep Upson

Partly cloudy. Lows in the upper 60s. Light and variable Winds.

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  • Temperature Real-Time

Thomaston Temperature Statistics

September Temperature

Thomaston, Thomaston-Upson County Airport (5.6 miles)

  • Lowest 17 September, 2026

    60.8 °F

  • Average September

    78.6 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Thomaston, Thomaston-Upson County Airport (5.6 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    75.2 °F
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