Barnesville Weather Forecast

    • 72
    • 90

    Slight Chance Rain Showers

    • 72
    • 92

    Slight Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 16 Jul Lamar

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Jul Lamar

Partly cloudy this Evening, then clearing. Lows in the lower 70s. Light southeast Winds.

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Barnesville Temperature Statistics

July Temperature

Thomaston, Thomaston-Upson County Airport (9.3 miles)

  • Lowest 3 July, 2025

    68 °F

  • Average July

    79.2 °F

  • Highest 14 July, 2025

    95 °F

Climate (2020–Present)

Thomaston, Thomaston-Upson County Airport (9.3 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75 °F
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