Roscoe Weather Forecast

    • 33
    • 46

    Rain Showers

    • 27
    • 43

    Breezy

    • 32
    • 40

    Rain/Snow

    • 15
    • 45

    Rain/Snow

    • 2
    • 22

    Blustery

    • 11
    • 24

    Slight Chance Snow

Today 12 Mar Winnebago

Mostly sunny in the Morning, then becoming mostly cloudy. Breezy. Highs in the mid 40s. West Winds around 10 Mph, becoming southwest with Gusts up to 30 Mph in the afternoon.

Tonight 12 Mar Winnebago

A slight chance of Showers early in the Evening, then Showers in the late evening and early morning. A slight chance of Showers late. Windy with Lows in the lower 30s. South Winds 20 to 30 Mph, becoming southwest after midnight. Gusts up to 50 Mph. Chance of precipitation 80 percent.

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Roscoe Temperature Statistics

March Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    39.9 °F

  • Highest 9 March, 2026

    71.6 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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