Marion Weather Forecast

    • 60
    • 82

    Rain Showers

    • 45
    • 68

    Slight Chance Rain Showers

    • 44
    • 64

    Partly Sunny

    • 47
    • 66

    Mostly Cloudy

    • 51
    • 71

    Slight Chance Thunderstorms

    • 55
    • 78

    Partly Sunny

Today 18 May Linn

Occasional Showers and Thunderstorms early this morning. Humid with Highs in the lower 80s. South Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 18 May Linn

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Marion Temperature Statistics

May Temperature

Cedar Rapids Airport (12.4 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    57.3 °F

  • Highest 15 May, 2026

    82.9 °F

Climate (2021–Present)

Cedar Rapids Airport (12.4 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.5 °F
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