Mount Vernon Weather Forecast

    • 71
    • 82

    Chance Thunderstorms

    • 62
    • 83

    Becoming Sunny

    • 64
    • 82

    Partly Sunny

    • 65
    • 83

    Rain Showers

    • 59
    • 78

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 61
    • 78

    Slight Chance Rain Showers

Today 15 Aug Linn

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Aug Linn

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Humid with Lows around 70. West Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

August Temperature

Cedar Rapids Airport (15.5 miles)

  • Lowest 3 August, 2026

    60.1 °F

  • Average August

    72.5 °F

  • Highest 10 August, 2026

    87.1 °F

Climate (2021–2026)

Cedar Rapids Airport (15.5 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.5 °F
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