Thomaston Weather Forecast

    • 65
    • 89

    Chance Thunderstorms

    • 64
    • 89

    Partly Sunny

    • 66
    • 89

    Partly Sunny

    • 66
    • 90

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

    • 66
    • 87

    Rain Showers Likely

Today 17 May Upson

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Temperature falling into the lower 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 17 May Upson

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 60s. Light southeast Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thomaston Temperature Statistics

May Temperature

Thomaston, Thomaston-Upson County Airport (5.6 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    64.5 °F

  • Highest 6 May, 2026

    82.4 °F

Climate (2021–Present)

Thomaston, Thomaston-Upson County Airport (5.6 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    75.2 °F
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