Cornwall Lake Weather Forecast

    • 34
    • 41

    Rain Showers Likely

    • 27
    • 44

    Chance Snow Showers

    • 33
    • 40

    Rain/Snow

    • 24
    • 55

    Rain/Snow

    • 17
    • 29

    Chance Snow Showers

    • 17
    • 26

    Chance Snow Showers

Today 12 Mar Van Buren

Sunny. Highs in the lower 40s. West Winds around 10 Mph with Gusts to around 25 Mph.

Tonight 12 Mar Van Buren

A slight chance of snow Showers in the Evening, then rain Showers likely after midnight. Lows in the mid 30s. South Winds around 10 Mph with Gusts to around 20 Mph increasing to 15 to 25 Mph with Gusts to around 50 Mph after midnight. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Lake Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    17.6 °F

  • Average March

    43.9 °F

  • Highest 9 March, 2026

    75.2 °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

    51.2 °F

  • Average High 2021–2026

    59.5 °F
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