Dewey Bay Weather Forecast

    • 64
    • 80

    Mostly Cloudy

    • 65
    • 84

    Partly Sunny

    • 64
    • 82

    Chance Thunderstorms

    • 65
    • 83

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 61
    • 79

    Slight Chance Rain Showers

Today 6 Aug Dane

Partly sunny until late afternoon then clearing. Areas of fog in the morning. Highs around 80. Northeast Winds up to 5 Mph shifting to the east in the afternoon.

Tonight 6 Aug Dane

Partly cloudy after midnight then becoming mostly cloudy. Areas of fog. Near steady temperature around 60. Northwest Winds up to 5 Mph.

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Dewey Bay Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    70.2 °F

  • Highest 3 August, 2026

    82.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.1 °F
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