Fairfield Weather Forecast

    • 28
    • 53

    Mostly Sunny

    • 34
    • 54

    Decreasing Clouds

    • 45
    • 60

    Partly Sunny

    • 32
    • 64

    Partly Sunny

    • 25
    • 47

    Mostly Sunny

    • 29
    • 44

    Chance Freezing Rain

    • 30
    • 47

    Mostly Cloudy

Today 12 Nov Walworth

Sunny. West Winds 10 to 20 Mph.

Tonight 12 Nov Walworth

Mostly clear. Lows in the upper 20s. West Winds 5 to 10 Mph.

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Fairfield Temperature Statistics

November Temperature

Janesville-Rock County (13 miles)

  • Lowest 10 November, 2025

    19.4 °F

  • Average November

    40.7 °F

  • Highest 4 November, 2025

    62.6 °F

Climate (2020–Present)

Janesville-Rock County (13 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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