Barnesville Weather Forecast

    • 75
    • 96

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 73
    • 93

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 74
    • 94

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 29 Jun Lamar

Sunny. Highs in the mid 90s. Light northwest Winds. Heat index Values up to 105.

Tonight 29 Jun Lamar

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. Light north Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnesville Temperature Statistics

June Temperature

Thomaston, Thomaston-Upson County Airport (9.3 miles)

  • Lowest 27 June, 2026

    73.4 °F

  • Average June

    81.4 °F

  • Highest 27 June, 2026

    89.6 °F

Climate (2021–2026)

Thomaston, Thomaston-Upson County Airport (9.3 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75 °F
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