Summitville Weather Forecast

    • 58
    • 87

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

    • 61
    • 87

    Mostly Cloudy

    • 63
    • 85

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 58
    • 78

    Chance Rain Showers

Today 18 Sep Madison

Sunny. Highs in the upper 80s. Light and variable Winds.

Tonight 18 Sep Madison

Clear. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summitville Temperature Statistics

September Temperature

Marion Municipal Airport (10.6 miles)

  • Lowest 8 September, 2025

    40.1 °F

  • Average September

    62.5 °F

  • Highest 15 September, 2025

    86 °F

Climate (2020–Present)

Marion Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.3 °F
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