Johnson Lake Weather Forecast

    • 70
    • 84

    Chance Rain Showers

    • 73
    • 87

    Mostly Cloudy

    • 73
    • 89

    Mostly Cloudy

    • 70
    • 92

    Slight Chance Thunderstorms

    • 65
    • 86

    Slight Chance Rain Showers

    • 64
    • 84

    Partly Sunny

Today 30 Aug Van Buren

Showers likely and a slight chance of Thunderstorms in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 70 percent.

Tonight 30 Aug Van Buren

Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Johnson Lake Temperature Statistics

August Temperature

Southwest Michigan Regional Airport (16.8 miles)

  • Lowest 25 August, 2026

    48.9 °F

  • Average August

    70.8 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.7 °F
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