Potato Creek State Park Weather Forecast

    • 28
    • 37

    Chance Rain/Snow

    • 19
    • 47

    Rain

    • 21
    • 27

    Mostly Cloudy

    • 24
    • 40

    Mostly Cloudy

    • 22
    • 31

    Mostly Cloudy

    • 29
    • 35

    Mostly Cloudy

Today 17 Dec Eastern St. Joseph

Partly cloudy. Highs in the upper 30s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 17 Dec Eastern St. Joseph

Partly cloudy in the Evening, then mostly cloudy with a chance of rain and snow after midnight. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. South Winds 15 to 20 Mph. Gusts up to 30 Mph after midnight. Chance of precipitation 40 percent.

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Potato Creek State Park Temperature Statistics

December Temperature

South Bend International Airport (10.6 miles)

  • Lowest 5 December, 2025

    3.9 °F

  • Average December

    23.1 °F

  • Highest 10 December, 2025

    37.9 °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

    61.8 °F
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