Cornwall Lake Weather Forecast

    • 39
    • 59

    Mostly Sunny

    • 36
    • 59

    Mostly Sunny

    • 47
    • 67

    Rain Showers Likely

    • 42
    • 57

    Partly Sunny

    • 46
    • 64

    Partly Sunny

    • 54
    • 72

    Slight Chance Rain Showers

Today 10 May Van Buren

Sunny. Highs in the upper 50s. Light Winds becoming northwest 5 to 15 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 10 May Van Buren

Mostly clear. Lows in the upper 30s. Light Winds.

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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 2 May, 2026

    33.8 °F

  • Average May

    50 °F

  • Highest 4 May, 2026

    77 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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