Roscoe Weather Forecast

    • 36
    • 60

    Decreasing Clouds

    • 45
    • 64

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 38
    • 60

    Mostly Sunny

    • 42
    • 62

    Rain Showers Likely

    • 45
    • 65

    Chance Rain Showers

Today 7 May Winnebago

Mostly cloudy. Breezy. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 7 May Winnebago

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

May Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    49.2 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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