Grass Lake Weather Forecast

    • 15
    • 29

    Partly Sunny

    • 26
    • 42

    Partly Sunny

    • 26
    • 56

    Partly Sunny

    • 15
    • 33

    Chance Snow

    • 17
    • 29

    Chance Snow

    • 21
    • 33

    Chance Snow

Today 25 Feb Dane

Sunny. Highs in the upper 20s. Northwest Winds 5 to 15 Mph.

Tonight 25 Feb Dane

Partly cloudy. Lows around 15. Northwest Winds up to 5 Mph shifting to the southwest after midnight.

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Grass Lake Temperature Statistics

February Temperature

Madison, Dane County Regional-Truax Field (17.4 miles)

  • Lowest 4 February, 2026

    -4.5 °F

  • Average February

    28.4 °F

  • Highest 16 February, 2026

    64.7 °F

Climate (2021–Present)

Madison, Dane County Regional-Truax Field (17.4 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59 °F
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