Potato Creek State Park Weather Forecast

    • 36
    • 45

    Rain

    • 36
    • 49

    Rain

    • 40
    • 46

    Rain Likely

    • 22
    • 59

    Rain

    • 16
    • 28

    Chance Snow

    • 20
    • 25

    Mostly Cloudy

    • 18
    • 30

    Mostly Cloudy

Today 25 Dec Eastern St. Joseph

Partly cloudy. Near steady temperature in the lower 40s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Dec Eastern St. Joseph

Mostly cloudy. Rain after midnight. Lows in the mid 30s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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Potato Creek State Park Temperature Statistics

December Temperature

South Bend International Airport (10.6 miles)

  • Lowest 15 December, 2025

    1 °F

  • Average December

    25.8 °F

  • Highest 18 December, 2025

    50 °F

Climate (2020–Present)

South Bend International Airport (10.6 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.7 °F
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