Fairfax Weather Forecast

    • 61
    • 86

    Chance Thunderstorms

    • 60
    • 70

    Rain Showers

    • 63
    • 74

    Rain Showers

    • 63
    • 73

    Rain Showers

    • 61
    • 81

    Rain Showers Likely

    • 62
    • 81

    Chance Rain Showers

Today 9 May Allendale

Partly sunny. Highs in the upper 80s. South Winds around 5 Mph, becoming southwest.

Tonight 9 May Allendale

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Lows around 60. North Winds around 5 Mph, becoming northeast after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfax Temperature Statistics

May Temperature

Allendale County Airport (3.1 miles)

  • Lowest 6 May, 2025

    51.8 °F

  • Average May

    69.8 °F

  • Highest 2 May, 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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