Mount Vernon Weather Forecast

    • 46
    • 71

    Mostly Sunny

    • 50
    • 68

    Sunny

    • 56
    • 73

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

Today 4 Oct Linn

Mostly sunny. Highs around 70. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north this afternoon.

Tonight 4 Oct Linn

Clear. Lows in the mid 40s. Northwest Winds around 5 Mph.

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Mount Vernon Temperature Statistics

October Temperature

Cedar Rapids Airport (15.5 miles)

  • Lowest 2 October, 2026

    50 °F

  • Average October

    62.7 °F

  • Highest 1 October, 2026

    66.9 °F

Climate (2021–2026)

Cedar Rapids Airport (15.5 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.4 °F
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