Fairfax Weather Forecast

    • 49
    • 81

    Chance Rain Showers

    • 45
    • 72

    Sunny

    • 54
    • 78

    Mostly Sunny

    • 46
    • 75

    Sunny

    • 46
    • 73

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

Today 19 Oct Allendale

Sunny in the Morning, then mostly cloudy with a chance of Showers in the afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 19 Oct Allendale

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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Fairfax Temperature Statistics

October Temperature

Allendale County Airport (3.1 miles)

  • Lowest 16 October, 2025

    55.4 °F

  • Average October

    68.4 °F

  • Highest 8 October, 2025

    86 °F

Climate (2020–Present)

Allendale County Airport (3.1 miles)

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  • Average Low 2020–2025

    55.8 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    76.3 °F
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