Olsons Bay Weather Forecast

    • 32
    • 47

    Becoming Sunny

    • 36
    • 58

    Sunny

    • 50
    • 63

    Mostly Cloudy

    • 35
    • 63

    Rain Showers Likely

    • 32
    • 54

    Mostly Sunny

    • 42
    • 61

    Partly Sunny

Today 20 Apr Jefferson

Sunny in the morning then becoming partly sunny. Chance of Sprinkles in the afternoon. Highs in the upper 40s. Northwest Winds 10 to 15 Mph.

Tonight 20 Apr Jefferson

Partly cloudy until early morning then clearing. Widespread frost in the late evening and overnight. Lows in the lower 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olsons Bay Temperature Statistics

April Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 6 April, 2024

    28.4 °F

  • Average April

    48.3 °F

  • Highest 14 April, 2024

    82.4 °F

Climate (2019–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2019–2024

    40.7 °F

  • Average 2019–2024

    48.8 °F

  • Average High 2019–2024

    60 °F
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