Fairfax Weather Forecast

    • 46
    • 58

    Mostly Cloudy

    • 50
    • 63

    Slight Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 29
    • 55

    Mostly Sunny

    • 35
    • 54

    Mostly Sunny

    • 38
    • 63

    Partly Sunny

    • 32
    • 59

    Mostly Sunny

Today 12 Jan South Central Duval

Cloudy, cooler with Highs in the upper 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 12 Jan South Central Duval

Mostly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph.

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Fairfax Temperature Statistics

January Temperature

Jacksonville Naval Air Station (3.7 miles)

  • Lowest 1 January, 2026

    39 °F

  • Average January

    62.6 °F

  • Highest 10 January, 2026

    82 °F

Climate (2021–Present)

Jacksonville Naval Air Station (3.7 miles)

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  • Average Low 2021–2026

    65 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    81.1 °F
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