Cornwall Lake Weather Forecast

    • 47
    • 53

    Rain Showers

    • 45
    • 59

    Rain Showers

    • 40
    • 56

    Rain Showers Likely

    • 40
    • 55

    Partly Sunny

    • 43
    • 62

    Mostly Cloudy

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 66

    Chance Rain Showers

Today 20 May Van Buren

Rain Showers and a slight chance of Thunderstorms. Highs in the mid 50s. East Winds 15 to 20 Mph with Gusts to around 40 Mph. Chance of rain 90 percent.

Tonight 20 May Van Buren

Rain Showers and a chance of Thunderstorms. Lows in the upper 40s. East Winds 10 to 20 Mph with Gusts to around 35 Mph. Chance of rain 90 percent.

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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 9 May, 2025

    32.5 °F

  • Average May

    55.8 °F

  • Highest 15 May, 2025

    86.2 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.3 °F
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