Thomaston Weather Forecast

    • 59
    • 76

    Mostly Cloudy

    • 55
    • 74

    Chance Rain Showers

    • 27
    • 65

    Chance Rain Showers

    • 25
    • 45

    Mostly Sunny

    • 31
    • 51

    Mostly Sunny

    • 29
    • 54

    Partly Sunny

Today 27 Dec Upson

Partly sunny. Highs in the mid 70s. Light west Winds.

Tonight 27 Dec Upson

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Light southwest Winds in the Evening, becoming light and variable.

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Thomaston Temperature Statistics

December Temperature

Thomaston, Thomaston-Upson County Airport (5.6 miles)

  • Lowest 15 December, 2025

    21.2 °F

  • Average December

    46.9 °F

  • Highest 24 December, 2025

    77 °F

Climate (2020–Present)

Thomaston, Thomaston-Upson County Airport (5.6 miles)

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  • Average Low 2020–2025

    54.4 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75.1 °F
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