Greenville Weather Forecast

    • 38
    • 62

    Increasing Clouds

    • 43
    • 62

    Partly Sunny

    • 41
    • 58

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 51
    • 72

    Partly Sunny

    • 52
    • 71

    Partly Sunny

Today 20 Dec Meriwether

Sunny. Highs in the lower 60s. Light south Winds.

Tonight 20 Dec Meriwether

Mostly clear. Lows in the upper 30s. Light southeast Winds this Evening, becoming light and variable.

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Greenville Temperature Statistics

December Temperature

Newnan, Newnan Coweta County Airport (19.3 miles)

  • Lowest 15 December, 2025

    18.5 °F

  • Average December

    46.4 °F

  • Highest 13 December, 2025

    68 °F

Climate (2020–Present)

Newnan, Newnan Coweta County Airport (19.3 miles)

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  • Average Low 2020–2025

    54.8 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    74.4 °F
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