Walnut Wash Airport Weather Forecast

    • 26
    • 43

    Mostly Sunny

    • 34
    • 52

    Rain Likely

    • 22
    • 41

    Chance Rain/Snow

    • 30
    • 37

    Mostly Cloudy

    • 26
    • 50

    Mostly Cloudy

    • 16
    • 34

    Mostly Cloudy

    • 18
    • 29

    Mostly Cloudy

Today 29 Jan Rock

Mostly sunny. West Winds 5 to 15 Mph.

Tonight 29 Jan Rock

Mostly clear. Lows in the mid 20s. West Winds up to 5 Mph shifting to the south after midnight.

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  • Temperature Real-Time

Walnut Wash Airport Temperature Statistics

January Temperature

Janesville-Rock County (11.8 miles)

  • Lowest 21 January, 2025

    -13 °F

  • Average January

    16.5 °F

  • Highest 17 January, 2025

    53.6 °F

Climate (2020–Present)

Janesville-Rock County (11.8 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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