Notre Dame Weather Forecast

    • 58
    • 75

    Rain Showers Likely

    • 62
    • 76

    Rain Showers

    • 52
    • 72

    Rain Showers Likely

    • 48
    • 66

    Chance Rain Showers

    • 50
    • 66

    Slight Chance Rain Showers

    • 50
    • 66

    Mostly Cloudy

    • 51
    • 70

    Mostly Cloudy

Today 18 Sep Eastern St. Joseph

Partly cloudy in the Morning, then becoming mostly sunny. Highs in the lower 70s.

Tonight 18 Sep Eastern St. Joseph

Mostly clear early this Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the upper 50s. East Winds 5 to 10 Mph. Gusts up to 20 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Notre Dame Temperature Statistics

September Temperature

South Bend International Airport (3.7 miles)

  • Lowest 14 September, 2026

    46.7 °F

  • Average September

    73.7 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

South Bend International Airport (3.7 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.9 °F
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