Roscoe Weather Forecast

    • 66
    • 82

    Partly Sunny

    • 72
    • 86

    Partly Sunny

    • 73
    • 92

    Mostly Sunny

    • 69
    • 91

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

    • 69
    • 89

    Partly Sunny

Today 21 Jul Winnebago

Partly cloudy. Hazy late in the morning. Highs in the lower 80s. East Winds around 10 Mph.

Tonight 21 Jul Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

July Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 18 July, 2025

    50 °F
  • Average July

    70.6 °F
  • Highest 3 July, 2025

    89.6 °F

Climate (2020–Present)

Janesville-Rock County (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    40.5 °F
  • Average 2020–2025

    48.8 °F
  • Average High 2020–2025

    60.3 °F
Get WillyWeather+ to remove ads