Cornwall Lake Weather Forecast

    • 64
    • 87

    Mostly Sunny

    • 70
    • 91

    Partly Sunny

    • 73
    • 93

    Slight Chance Thunderstorms

    • 63
    • 87

    Chance Thunderstorms

    • 62
    • 84

    Partly Sunny

    • 63
    • 86

    Chance Rain Showers

Today 3 Jul Van Buren

Sunny. Highs in the mid 80s. Northwest Winds around 5 Mph.

Tonight 3 Jul Van Buren

Mostly clear. Lows in the mid 60s. Light Winds.

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  • Temperature Real-Time

Cornwall Lake Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2025

    64.4 °F

  • Average July

    73.5 °F

  • Highest 1 July, 2025

    77 °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 °F

  • Average High 2020–2025

    59.1 °F
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