State Line Weather Forecast

    • 57
    • 85

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 87

    Mostly Cloudy

    • 59
    • 81

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

Today 16 Sep Eastern St. Joseph

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 16 Sep Eastern St. Joseph

Clear. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

State Line Temperature Statistics

September Temperature

South Bend International Airport (4.3 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    61.7 °F

  • Highest 11 September, 2025

    82 °F

Climate (2020–Present)

South Bend International Airport (4.3 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.8 °F
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