State Line Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 59
    • 79

    Increasing Clouds

    • 63
    • 82

    Rain Showers Likely

    • 59
    • 80

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

    • 68
    • 83

    Chance Rain Showers

Today 24 Aug Eastern St. Joseph

Mostly sunny. Near steady temperature in the mid 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 24 Aug Eastern St. Joseph

Mostly clear. Lows in the lower 50s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

State Line Temperature Statistics

August Temperature

South Bend International Airport (4.3 miles)

  • Lowest 9 August, 2026

    59.6 °F

  • Average August

    73.1 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

South Bend International Airport (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62 °F
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