Fairfield Weather Forecast

    • 64
    • 74

    Rain Showers

    • 60
    • 73

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

Today 31 Jul Walworth

Showers and slight chance of Thunderstorms. Southeast Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 31 Jul Walworth

Showers and slight chance of Thunderstorms. Lows in the mid 60s. East Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

July Temperature

Janesville-Rock County (13 miles)

  • Lowest 22 July, 2026

    50 °F

  • Average July

    74.9 °F

  • Highest 14 July, 2026

    95 °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

    48.7 °F

  • Average High 2021–2026

    60.4 °F
Get WillyWeather+ to remove ads