Fairfield Weather Forecast

    • 27
    • 49

    Mostly Sunny

    • 31
    • 50

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 43
    • 56

    Partly Sunny

    • 39
    • 58

    Partly Sunny

    • 46
    • 59

    Chance Rain

Today 15 Nov Walworth

Sunny. Highs in the upper 40s. West Winds up to 5 Mph.

Tonight 15 Nov Walworth

Mostly clear. Lows in the upper 20s. Southwest Winds up to 5 Mph.

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Fairfield Temperature Statistics

November Temperature

Janesville-Rock County (13 miles)

  • Lowest 7 November, 2026

    26.6 °F

  • Average November

    45.7 °F

  • Highest 1 November, 2026

    69.8 °F

Climate (2021–2026)

Janesville-Rock County (13 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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