Roscoe Weather Forecast

    • 7
    • 22

    Increasing Clouds

    • 16
    • 26

    Snow Likely

    • 10
    • 26

    Mostly Cloudy

    • 5
    • 21

    Partly Sunny

    • 10
    • 23

    Partly Sunny

    • 26
    • 32

    Chance Snow

    • 8
    • 33

    Mostly Cloudy

Today 31 Jan Winnebago

Mostly sunny. Temperatures around 20. North Winds 5 to 10 Mph.

Tonight 31 Jan Winnebago

Mostly clear early in the Evening, then becoming partly cloudy. Lows around 8 above. West Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Real-Time

Roscoe Temperature Statistics

January Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 23 January, 2026

    -16.6 °F

  • Average January

    18 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.2 °F
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