Fairfield Weather Forecast

    • 54
    • 79

    Partly Sunny

    • 60
    • 80

    Mostly Sunny

    • 58
    • 81

    Chance Thunderstorms

    • 48
    • 69

    Partly Sunny

    • 48
    • 64

    Rain Showers Likely

    • 47
    • 66

    Slight Chance Thunderstorms

Today 10 Oct Walworth

Warmer. Sunny in the morning then becoming partly sunny. Highs around 80. South Winds 10 to 15 Mph.

Tonight 10 Oct Walworth

Mostly cloudy in the evening then clearing. Lows in the mid 50s. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

October Temperature

Janesville-Rock County (13 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    55.1 °F

  • Highest 7 October, 2026

    75.2 °F

Climate (2021–2026)

Janesville-Rock County (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.1 °F
Get WillyWeather+ to remove ads