Hampshire Park Weather Forecast

    • 21
    • 40

    Partly Sunny

    • 30
    • 43

    Mostly Cloudy

    • 21
    • 38

    Partly Sunny

    • 29
    • 48

    Mostly Sunny

    • 22
    • 41

    Chance Snow

Today 27 Jan Rock

Breezy. Mostly cloudy. West Winds 15 to 25 Mph.

Tonight 27 Jan Rock

Mostly cloudy in the evening then clearing. Lows in the lower 20s. Northwest Winds 5 to 15 Mph. Gusts up to 30 Mph through around midnight.

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Hampshire Park Temperature Statistics

January Temperature

Janesville-Rock County (5 miles)

  • Lowest 21 January, 2025

    -13 °F

  • Average January

    16.1 °F

  • Highest 17 January, 2025

    53.6 °F

Climate (2020–Present)

Janesville-Rock County (5 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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