Mount Vernon Weather Forecast

    • 65
    • 84

    Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

Today 4 Jul Linn

Partly sunny with isolated Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 4 Jul Linn

Mostly cloudy with isolated Showers. Isolated Thunderstorms. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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Mount Vernon Temperature Statistics

July Temperature

Cedar Rapids Airport (15.5 miles)

  • Lowest 2 July, 2026

    69.1 °F

  • Average July

    80.4 °F

  • Highest 1 July, 2026

    90 °F

Climate (2021–2026)

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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