Fairfax Weather Forecast

    • 62
    • 83

    Rain Showers Likely

    • 66
    • 87

    Partly Sunny

    • 67
    • 92

    Mostly Sunny

    • 71
    • 93

    Slight Chance Thunderstorms

    • 69
    • 93

    Partly Sunny

    • 67
    • 88

    Chance Rain Showers

Today 1 Sep Gregory

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Sep Gregory

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Some Thunderstorms may be severe in the evening. Humid with Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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Fairfax Temperature Statistics

September Temperature

O'Neill / Baker Field (39.8 miles)

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Climate (2021–2026)

O'Neill / Baker Field (39.8 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    61.7 °F
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