Fairfax Weather Forecast

    • 75
    • 89

    Thunderstorms Likely

    • 74
    • 81

    Thunderstorms

    • 76
    • 85

    Thunderstorms Likely

    • 77
    • 89

    Thunderstorms Likely

    • 77
    • 89

    Chance Thunderstorms

    • 77
    • 90

    Thunderstorms Likely

Today 4 Jul South Central Duval

Mostly sunny. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then Showers and Thunderstorms likely in the afternoon. Highs in the upper 80s. North Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph in the afternoon. Chance of rain 70 percent.

Tonight 4 Jul South Central Duval

Mostly cloudy. Lows in the mid 70s. Light and variable Winds.

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Fairfax Temperature Statistics

July Temperature

Jacksonville Naval Air Station (3.7 miles)

  • Lowest 1 July, 2025

    75 °F
  • Average July

    80.9 °F
  • Highest 1 July, 2025

    88 °F

Climate (2020–Present)

Jacksonville Naval Air Station (3.7 miles)

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  • Average Low 2020–2025

    65 °F
  • Average 2020–2025

    72.5 °F
  • Average High 2020–2025

    81 °F
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