Blackhawk Park Weather Forecast

    • 22
    • 41

    Chance Rain

    • 29
    • 36

    Chance Rain/Snow

    • 26
    • 49

    Mostly Cloudy

    • 16
    • 34

    Mostly Cloudy

    • 21
    • 29

    Chance Snow

    • 20
    • 36

    Chance Wintry Mix

Today 31 Jan Rock

Colder. Cloudy with light rain likely in the Morning, then mostly cloudy with chance of light rain in the late morning and early afternoon. Mostly sunny late in the afternoon. Highs in the lower 40s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 31 Jan Rock

Not as cool. Cloudy with a 50 percent chance of light rain. Areas of fog. Near steady temperature in the upper 30s. Northeast Winds up to 5 Mph with Gusts to around 20 Mph.

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Blackhawk Park Temperature Statistics

January Temperature

Janesville-Rock County (3.7 miles)

  • Lowest 21 January, 2025

    -13 °F

  • Average January

    17.1 °F

  • Highest 17 January, 2025

    53.6 °F

Climate (2020–Present)

Janesville-Rock County (3.7 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.2 °F
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