Roscoe Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 57
    • 74

    Mostly Cloudy

    • 63
    • 80

    Chance Thunderstorms

    • 74
    • 88

    Partly Sunny

    • 75
    • 92

    Partly Sunny

    • 74
    • 93

    Slight Chance Thunderstorms

Today 25 Jun Winnebago

Partly cloudy. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 25 Jun Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    65 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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