Roscoe Weather Forecast

    • 31
    • 53

    Rain/Snow

    • 23
    • 37

    Chance Snow

    • 22
    • 35

    Mostly Cloudy

    • 16
    • 30

    Partly Sunny

    • 16
    • 29

    Mostly Sunny

    • 30
    • 39

    Mostly Cloudy

Today 19 Feb Winnebago

Mostly cloudy. A slight chance of rain Showers early in the afternoon. Rain Showers likely and a slight chance of Thunderstorms late. Highs in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of precipitation 60 percent.

Tonight 19 Feb Winnebago

A slight chance of Thunderstorms in the evening. Rain Showers. Snow late. Little or no snow accumulation. Breezy with Lows around 30. Northeast Winds 10 to 15 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of precipitation near 100 percent.

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Roscoe Temperature Statistics

February Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 4 February, 2026

    -4 °F

  • Average February

    25.8 °F

  • Highest 16 February, 2026

    64.4 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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