Hanover Weather Forecast

    • 7
    • 24

    Mostly Sunny

    • 17
    • 30

    Partly Sunny

    • 28
    • 38

    Mostly Cloudy

    • 33
    • 45

    Chance Rain

    • 30
    • 45

    Mostly Cloudy

    • 28
    • 46

    Chance Rain

Today 21 Feb Rock

Sunny. Highs in the mid 20s. Southwest Winds 5 to 10 Mph.

Tonight 21 Feb Rock

Mostly clear. Lows around 5. Southwest Winds 5 to 10 Mph.

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Hanover Temperature Statistics

February Temperature

Janesville-Rock County (6.2 miles)

  • Lowest 18 February, 2025

    -14.8 °F

  • Average February

    18.6 °F

  • Highest 2 February, 2025

    42.8 °F

Climate (2020–Present)

Janesville-Rock County (6.2 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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