Roscoe Weather Forecast

    • 38
    • 59

    Increasing Clouds

    • 38
    • 58

    Mostly Cloudy

    • 48
    • 65

    Partly Sunny

    • 29
    • 59

    Mostly Cloudy

    • 32
    • 47

    Partly Sunny

    • 34
    • 52

    Mostly Cloudy

    • 40
    • 53

    Mostly Cloudy

Today 19 Mar Winnebago

Mostly sunny. Temperatures in the lower 50s. East Winds around 5 Mph.

Tonight 19 Mar Winnebago

Mostly cloudy. Lows in the upper 30s. Southeast Winds around 5 Mph, becoming south after midnight.

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Roscoe Temperature Statistics

March Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    37 °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

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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