State Line Weather Forecast

    • 59
    • 80

    Chance Rain Showers

    • 54
    • 72

    Chance Rain Showers

    • 51
    • 67

    Chance Rain Showers

    • 49
    • 68

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

Today 23 Aug Eastern St. Joseph

Mostly cloudy this Morning, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs around 80. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 30 percent.

Tonight 23 Aug Eastern St. Joseph

Mostly clear. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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State Line Temperature Statistics

August Temperature

South Bend International Airport (4.3 miles)

  • Lowest 2 August, 2025

    53.7 °F

  • Average August

    75.2 °F

  • Highest 16 August, 2025

    94.6 °F

Climate (2020–Present)

South Bend International Airport (4.3 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    61.8 °F
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