Dewey Bay Weather Forecast

    • 41
    • 71

    Increasing Clouds

    • 25
    • 44

    Mostly Cloudy

    • 32
    • 47

    Partly Sunny

    • 36
    • 56

    Mostly Cloudy

    • 42
    • 53

    Mostly Cloudy

    • 28
    • 58

    Slight Chance Rain

Today 21 Mar Dane

Warmer. Sunny late in the morning and early afternoon then becoming partly sunny. Highs 69 to 75. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 21 Mar Dane

Mostly cloudy. Lows in the lower 40s. West Winds up to 10 Mph shifting to the northeast after midnight.

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Dewey Bay Temperature Statistics

March Temperature

Madison, Dane County Regional-Truax Field (13.7 miles)

  • Lowest 1 March, 2026

    3.7 °F

  • Average March

    35.8 °F

  • Highest 9 March, 2026

    70.6 °F

Climate (2021–Present)

Madison, Dane County Regional-Truax Field (13.7 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    59 °F
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