Mount Vernon Weather Forecast

    • 60
    • 84

    Mostly Cloudy

    • 61
    • 81

    Chance Thunderstorms

    • 58
    • 84

    Chance Rain Showers

    • 57
    • 84

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 65
    • 87

    Chance Rain Showers

Today 30 May Linn

Partly sunny. A slight chance of Showers late this morning. Highs in the lower 80s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 30 May Linn

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

May Temperature

Cedar Rapids Airport (15.5 miles)

  • Lowest 2 May, 2026

    32 °F
  • Average May

    61.6 °F
  • Highest 27 May, 2026

    87.1 °F

Climate (2021–Present)

Cedar Rapids Airport (15.5 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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