Summit Lake State Park Weather Forecast

    • 22
    • 28

    Increasing Clouds

    • 26
    • 32

    Cloudy

    • 11
    • 33

    Rain/Snow Likely

    • 12
    • 23

    Partly Sunny

    • 29
    • 34

    Rain Likely

    • 20
    • 38

    Rain/Snow Likely

    • 14
    • 30

    Slight Chance Snow

Today 5 Dec Henry

Partly cloudy. Cold with Highs in the upper 20s. Southwest Winds 5 to 10 Mph.

Tonight 5 Dec Henry

Partly cloudy late this Afternoon, then mostly cloudy with a slight chance of Flurries toward daybreak. Not as cold with Lows in the lower 20s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph.

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Summit Lake State Park Temperature Statistics

December Temperature

Muncie, Delaware County-Johnson Field (14.9 miles)

  • Lowest 1 December, 2025

    18 °F

  • Average December

    25 °F

  • Highest 1 December, 2025

    30.9 °F

Climate (2020–Present)

Muncie, Delaware County-Johnson Field (14.9 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.8 °F
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