Grundy Center Municipal Airport Weather Forecast

    • -12
    • 32

    Decreasing Clouds

    • 4
    • 8

    Cold

    • 18
    • 27

    Mostly Cloudy

    • 6
    • 25

    Chance Snow

    • -3
    • 16

    Mostly Cloudy

    • 14
    • 24

    Mostly Cloudy

    • 23
    • 32

    Chance Snow

Today 3 Dec Grundy

Mostly sunny. Highs in the lower 30s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 3 Dec Grundy

Mostly clear. Much Colder with Lows around 12 below. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 23 below.

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Grundy Center Municipal Airport Temperature Statistics

December Temperature

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

  • Lowest 1 December, 2025

    12.9 °F

  • Average December

    16.4 °F

  • Highest 1 December, 2025

    19 °F

Climate (2020–Present)

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    61 °F
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