Grundy Center Municipal Airport Weather Forecast

    • 56
    • 75

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 49
    • 70

    Mostly Cloudy

    • 48
    • 65

    Slight Chance Rain Showers

    • 49
    • 64

    Mostly Cloudy

    • 48
    • 67

    Chance Rain Showers

Today 23 Oct Grundy

Mostly sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 23 Oct Grundy

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Southeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Grundy Center Municipal Airport Temperature Statistics

October Temperature

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

  • Lowest 17 October, 2026

    30.7 °F

  • Average October

    59.5 °F

  • Highest 11 October, 2026

    88.6 °F

Climate (2021–2026)

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.3 °F
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