Thomaston Weather Forecast

    • 71
    • 95

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 87

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Rain Showers

    • 70
    • 90

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

Today 6 Sep Upson

Mostly sunny with a chance of Thunderstorms with a slight chance of Showers. Highs in the mid 90s. Temperature falling to around 90. Light northwest Winds. Chance of rain 30 percent. Heat index Values up to 106.

Tonight 6 Sep Upson

Partly cloudy. A chance of Showers and Thunderstorms this evening. Patchy fog after midnight. Lows in the lower 70s. Light southeast Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thomaston Temperature Statistics

September Temperature

Thomaston, Thomaston-Upson County Airport (5.6 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    81.3 °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 °F

  • Average High 2021–2026

    75.1 °F
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