Grantville Weather Forecast

    • 64
    • 87

    Slight Chance Thunderstorms

    • 65
    • 89

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

    • 64
    • 85

    Partly Sunny

    • 65
    • 85

    Slight Chance Thunderstorms

Today 18 Sep Coweta

Sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Light north Winds. Chance of rain 20 percent.

Tonight 18 Sep Coweta

Mostly clear. Lows in the mid 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantville Temperature Statistics

September Temperature

Newnan, Newnan Coweta County Airport (6.2 miles)

  • Lowest 10 September, 2025

    58.3 °F

  • Average September

    72 °F

  • Highest 5 September, 2025

    89.4 °F

Climate (2020–Present)

Newnan, Newnan Coweta County Airport (6.2 miles)

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  • Average Low 2020–2025

    54.9 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    74.4 °F
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