Fairfield Weather Forecast

    • 13
    • 39

    Increasing Clouds

    • -9
    • 29

    Partly Sunny

    • -9
    • -1

    Cold

    • -2
    • 5

    Cold

    • -3
    • 15

    Partly Sunny

    • 8
    • 20

    Mostly Sunny

Today 21 Jan Jefferson

Mostly Cloudy, then becoming sunny this Morning, then becoming mostly sunny. A slight chance of snow Showers this afternoon. Breezy and not as cool with Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to 15 to 25 Mph with Gusts up to 40 Mph this afternoon. Chance of snow 20 percent.

Tonight 21 Jan Jefferson

Partly cloudy in the Evening, then becoming mostly clear. Breezy with Lows around 13. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph, becoming west 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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Fairfield Temperature Statistics

January Temperature

Fairfield Municipal Airport (3.1 miles)

  • Lowest 19 January, 2026

    -0.4 °F

  • Average January

    29.4 °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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