Potato Creek State Park Weather Forecast

    • 52
    • 65

    Mostly Cloudy

    • 48
    • 70

    Partly Sunny

    • 47
    • 69

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 53
    • 72

    Partly Sunny

Today 23 Sep Eastern St. Joseph

Mostly cloudy. Highs in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Sep Eastern St. Joseph

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Potato Creek State Park Temperature Statistics

September Temperature

South Bend International Airport (10.6 miles)

  • Lowest 14 September, 2026

    46.7 °F

  • Average September

    72.7 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

South Bend International Airport (10.6 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.9 °F
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