Fairfax Weather Forecast

    • 71
    • 91

    Slight Chance Thunderstorms

    • 75
    • 92

    Partly Sunny

    • 74
    • 94

    Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

    • 71
    • 91

    Slight Chance Thunderstorms

    • 68
    • 88

    Partly Sunny

    • 67
    • 87

    Partly Sunny

Today 31 Aug Linn

Partly sunny with a slight chance of Showers and Thunderstorms. Warmer. Near steady temperature in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 31 Aug Linn

Partly Sunny, then becoming partly cloudy this Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms early. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 20 percent. Heat index Values up to 100 early this evening.

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Fairfax Temperature Statistics

August Temperature

Cedar Rapids Airport (3.7 miles)

  • Lowest 24 August, 2026

    53.7 °F

  • Average August

    71.8 °F

  • Highest 10 August, 2026

    87.1 °F

Climate (2021–2026)

Cedar Rapids Airport (3.7 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.4 °F
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