Cornwall Lake Weather Forecast

    • 41
    • 62

    Mostly Cloudy

    • 46
    • 58

    Rain Showers Likely

    • 46
    • 64

    Chance Rain Showers

    • 46
    • 62

    Slight Chance Rain Showers

    • 45
    • 68

    Mostly Cloudy

    • 41
    • 65

    Mostly Sunny

Today 3 May Van Buren

Partly sunny. Highs in the lower 60s. North Winds 5 to 15 Mph.

Tonight 3 May Van Buren

Partly cloudy. A 20 percent chance of rain Showers overnight. Lows in the lower 40s. Northeast Winds 5 to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Lake Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2025

    47.3 °F

  • Average May

    54.9 °F

  • Highest 1 May, 2025

    72 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.2 °F
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