Fairfield Weather Forecast

    • 28
    • 34

    Increasing Clouds

    • 34
    • 47

    Partly Sunny

    • 30
    • 55

    Mostly Cloudy

    • 17
    • 35

    Partly Sunny

    • 26
    • 34

    Mostly Cloudy

    • 16
    • 36

    Slight Chance Snow

Today 11 Jan Jefferson

Partly cloudy. Highs in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming west around 10 Mph this afternoon.

Tonight 11 Jan Jefferson

Mostly clear in the Evening, then becoming partly cloudy. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

January Temperature

Fairfield Municipal Airport (3.1 miles)

  • Lowest 1 January, 2026

    15.8 °F

  • Average January

    34 °F

  • Highest 7 January, 2026

    59 °F

Climate (2021–Present)

Fairfield Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.9 °F
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