Fairfield Weather Forecast

    • 54
    • 88

    Chance Thunderstorms

    • 48
    • 72

    Partly Sunny

    • 48
    • 66

    Rain Showers

    • 49
    • 66

    Rain Showers

    • 46
    • 67

    Partly Sunny

    • 48
    • 66

    Chance Rain Showers

    • 49
    • 68

    Partly Sunny

Today 11 Sep Swift

Breezy. Partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Near steady temperature in the mid 80s. South Winds 15 to 25 Mph.

Tonight 11 Sep Swift

Partly cloudy with a 40 percent chance of Thunderstorms in the Evening, then clear after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the mid 50s. Southwest Winds 10 to 20 Mph shifting to the northwest 15 to 20 Mph after midnight.

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Fairfield Temperature Statistics

September Temperature

Appleton Municipal Airport (10.6 miles)

  • Lowest 1 September, 2026

    52.7 °F

  • Average September

    73.4 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Appleton Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    57.5 °F
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