Fairfield Municipal Airport Weather Forecast

    • 68
    • 93

    Increasing Clouds

    • 64
    • 85

    Slight Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

    • 71
    • 93

    Chance Rain Showers

    • 63
    • 88

    Chance Rain Showers

    • 64
    • 83

    Partly Sunny

Today 5 Sep Jefferson

Sunny, hot with Highs in the lower 90s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph this afternoon. Heat index Values up to 108 this afternoon.

Tonight 5 Sep Jefferson

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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Fairfield Municipal Airport Temperature Statistics

September Temperature

Fairfield Municipal Airport (0 miles)

  • Lowest 1 September, 2026

    71.6 °F

  • Average September

    83.7 °F

  • Highest 1 September, 2026

    96.8 °F

Climate (2021–2026)

Fairfield Municipal Airport (0 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62 °F
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