Round Lake Weather Forecast

    • 70
    • 84

    Rain Showers

    • 73
    • 89

    Mostly Cloudy

    • 74
    • 91

    Partly Sunny

    • 71
    • 93

    Partly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 66
    • 84

    Partly Sunny

Today 30 Aug Southern Berrien

Numerous Showers with isolated Thunderstorms. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 30 Aug Southern Berrien

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows around 70. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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Round Lake Temperature Statistics

August Temperature

South Bend International Airport (9.9 miles)

  • Lowest 25 August, 2026

    51.1 °F

  • Average August

    72 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

South Bend International Airport (9.9 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.9 °F
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