Roscoe Weather Forecast

    • 46
    • 64

    Decreasing Clouds

    • 61
    • 75

    Chance Thunderstorms

    • 36
    • 75

    Rain Showers

    • 33
    • 44

    Rain Showers Likely

    • 33
    • 46

    Rain Showers Likely

    • 39
    • 52

    Chance Rain Showers

    • 39
    • 62

    Rain Showers Likely

Today 29 Mar Winnebago

Mostly cloudy. Temperatures in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Mar Winnebago

Partly cloudy in the evening then clearing. Lows in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Roscoe Temperature Statistics

March Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    38.9 °F

  • Highest 21 March, 2026

    77 °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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