Fairfax Weather Forecast

    • 72
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

    • 72
    • 86

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

Today 3 Jul Allendale

Mostly sunny with a chance of Showers and Thunderstorms. Highs around 90. Light and variable Winds. Chance of rain 40 percent.

Tonight 3 Jul Allendale

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfax Temperature Statistics

July Temperature

Allendale County Airport (3.1 miles)

  • Lowest 1 July, 2025

    73.4 °F

  • Average July

    79 °F

  • Highest 1 July, 2025

    87.8 °F

Climate (2020–Present)

Allendale County Airport (3.1 miles)

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  • Average Low 2020–2025

    55.9 °F

  • Average 2020–2025

    65.5 °F

  • Average High 2020–2025

    76.4 °F
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