Summit Lake State Park Weather Forecast

    • 61
    • 79

    Mostly Cloudy

    • 67
    • 81

    Rain Showers Likely

    • 69
    • 82

    Chance Thunderstorms

    • 68
    • 83

    Rain Showers

    • 61
    • 79

    Chance Thunderstorms

    • 66
    • 81

    Partly Sunny

    • 72
    • 87

    Slight Chance Thunderstorms

Today 15 Jun Henry

Mostly cloudy Early, then becoming partly cloudy. A slight chance of Thunderstorms. A slight chance of Showers Early, then a chance of Showers. Highs around 80. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 15 Jun Henry

Partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

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Summit Lake State Park Temperature Statistics

June Temperature

Muncie, Delaware County-Johnson Field (14.9 miles)

  • Lowest 1 June, 2025

    42.7 °F

  • Average June

    71 °F

  • Highest 3 June, 2025

    88.6 °F

Climate (2020–Present)

Muncie, Delaware County-Johnson Field (14.9 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.7 °F
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