Harris Lake Weather Forecast

    • 70
    • 78

    Rain Showers Likely

    • 65
    • 79

    Rain Showers Likely

    • 61
    • 75

    Mostly Sunny

    • 64
    • 78

    Chance Thunderstorms

    • 59
    • 77

    Slight Chance Thunderstorms

    • 58
    • 72

    Partly Sunny

Today 15 Aug Northern Berrien

A chance of Showers with a slight chance of Thunderstorms Early, then Showers likely with a chance of Thunderstorms. Humid with Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 15 Aug Northern Berrien

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Lows around 70. Southeast Winds around 5 Mph, becoming south around 5 Mph after midnight. Chance of rain 40 percent.

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Harris Lake Temperature Statistics

August Temperature

Southwest Michigan Regional Airport (6.8 miles)

  • Lowest 9 August, 2026

    55.7 °F

  • Average August

    72.5 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.8 °F
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