Johnson Lake Weather Forecast

    • 48
    • 70

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 58
    • 73

    Chance Rain Showers

    • 59
    • 71

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 27 Sep Van Buren

Sunny. Highs around 70. Light Winds becoming north 5 to 10 Mph in the afternoon.

Tonight 27 Sep Van Buren

Partly cloudy. Lows in the upper 40s. North Winds around 10 Mph.

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Johnson Lake Temperature Statistics

September Temperature

Southwest Michigan Regional Airport (16.8 miles)

  • Lowest 14 September, 2026

    45.6 °F

  • Average September

    69.4 °F

  • Highest 2 September, 2026

    95.6 °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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