Summersville Weather Forecast

    • 27
    • 45

    Becoming Sunny

    • 47
    • 54

    Mostly Cloudy

    • 49
    • 58

    Chance Rain Showers

    • 55
    • 62

    Slight Chance Rain Showers

    • 58
    • 66

    Slight Chance Rain Showers

    • 45
    • 65

    Mostly Cloudy

Today 21 Dec Green

Cooler. Mostly cloudy then becoming mostly sunny late in the morning then becoming mostly cloudy then becoming sunny late in the afternoon. Highs in the mid 40s. Northeast Winds around 5 Mph.

Tonight 21 Dec Green

Mostly clear. Lows in the upper 20s. East Winds up to 5 Mph.

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Summersville Temperature Statistics

December Temperature

Lebanon-Springfield Airport (26.7 miles)

  • Lowest 14 December, 2025

    6.8 °F

  • Average December

    33.1 °F

  • Highest 17 December, 2025

    57.2 °F

Climate (2020–Present)

Lebanon-Springfield Airport (26.7 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.1 °F
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