Cornwall Lake Weather Forecast

    • 44
    • 78

    Rain Showers

    • 35
    • 59

    Rain Showers

    • 29
    • 45

    Mostly Sunny

    • 42
    • 53

    Partly Sunny

    • 46
    • 68

    Partly Sunny

    • 46
    • 67

    Mostly Sunny

Today 17 Apr Van Buren

Partly sunny in the morning then becoming mostly sunny. Widespread dense fog in the morning. Highs in the upper 70s. Light Winds becoming south 5 to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 17 Apr Van Buren

Partly cloudy with a chance of rain Showers in the Evening, then rain Showers and a chance of Thunderstorms after midnight. Lows in the mid 40s. South Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Lake Temperature Statistics

April Temperature

South Haven, South Haven Area Regional Airport (12.4 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    49 °F

  • Highest 12 April, 2026

    80.6 °F

Climate (2021–Present)

South Haven, South Haven Area Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.4 °F
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