Janesville Weather Forecast

    • 33
    • 52

    Mostly Cloudy

    • 38
    • 55

    Chance Rain

    • 28
    • 50

    Partly Sunny

    • 27
    • 54

    Mostly Sunny

    • 24
    • 44

    Mostly Sunny

Today 3 Apr Bremer

Mostly cloudy. Highs in the lower 50s. West Winds 15 to 20 Mph.

Tonight 3 Apr Bremer

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 30s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Janesville Temperature Statistics

April Temperature

Waterloo, Waterloo Municipal Airport (6.8 miles)

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  • Average April

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Climate (2020–Present)

Waterloo, Waterloo Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    61.4 °F
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