Barnesville Weather Forecast

    • 67
    • 89

    Mostly Sunny

    • 67
    • 90

    Partly Sunny

    • 67
    • 90

    Chance Thunderstorms

    • 67
    • 86

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

Today 19 May Lamar

Mostly sunny. Highs in the upper 80s. Light southeast Winds.

Tonight 19 May Lamar

Mostly clear. Lows in the mid 60s. Light southeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnesville Temperature Statistics

May Temperature

Thomaston, Thomaston-Upson County Airport (9.3 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    64.7 °F

  • Highest 16 May, 2026

    84.2 °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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