Barnesville Weather Forecast

    • 55
    • 73

    Mostly Cloudy

    • 58
    • 81

    Partly Sunny

    • 48
    • 77

    Sunny

    • 56
    • 80

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 64
    • 89

    Partly Sunny

Today 12 May Lamar

Mostly cloudy. Highs in the mid 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 May Lamar

Partly cloudy. Lows in the mid 50s. Light east Winds.

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Barnesville Temperature Statistics

May Temperature

Thomaston, Thomaston-Upson County Airport (9.3 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    62.9 °F

  • Highest 6 May, 2026

    82.4 °F

Climate (2021–Present)

Thomaston, Thomaston-Upson County Airport (9.3 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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