Cornwall Lake Weather Forecast

    • 61
    • 79

    Decreasing Clouds

    • 45
    • 73

    Rain Showers

    • 44
    • 61

    Partly Sunny

    • 50
    • 68

    Mostly Cloudy

    • 49
    • 71

    Rain Showers

    • 44
    • 60

    Slight Chance Rain Showers

Today 23 Apr Van Buren

Mostly sunny. Patchy fog in the morning. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 23 Apr Van Buren

Partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts to around 20 Mph.

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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

    50.8 °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

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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