Roscoe Weather Forecast

    • -4
    • 14

    Mostly Sunny

    • -2
    • 12

    Mostly Sunny

    • 4
    • 15

    Chance Snow Showers

    • 3
    • 20

    Partly Sunny

    • 14
    • 24

    Chance Snow

    • 13
    • 28

    Mostly Cloudy

    • 18
    • 27

    Chance Snow

Today 28 Jan Winnebago

Mostly sunny. Highs around 14. West Winds 10 to 15 Mph. Wind chill Values as low as 13 below late in the morning.

Tonight 28 Jan Winnebago

Mostly clear in the Evening, then becoming partly cloudy. Lows around 3 below. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

January Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 23 January, 2026

    -16.6 °F

  • Average January

    19.6 °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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