Fairfield Weather Forecast

    • 57
    • 74

    Chance Rain Showers

    • 38
    • 68

    Chance Rain Showers

    • 45
    • 62

    Chance Rain Showers

    • 47
    • 64

    Rain Showers Likely

    • 49
    • 65

    Chance Rain Showers

Today 28 Oct Walworth

Sunny. Highs in the mid 70s. South Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 28 Oct Walworth

Partly cloudy through around Midnight, then mostly cloudy with chance of light rain Showers and slight chance of Thunderstorms after midnight. Lows in the upper 50s. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

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Fairfield Temperature Statistics

October Temperature

Janesville-Rock County (13 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    54.8 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

Janesville-Rock County (13 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.2 °F
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