Gilman Weather Forecast

    • 22
    • 37

    Mostly Cloudy

    • 33
    • 36

    Rain

    • 7
    • 37

    Chance Snow Showers

    • 26
    • 32

    Partly Sunny

    • 15
    • 38

    Partly Sunny

    • 21
    • 28

    Mostly Cloudy

    • 28
    • 37

    Mostly Cloudy

Today 16 Dec Marshall

Mostly sunny. Highs in the mid 30s. Southwest Winds around 10 Mph.

Tonight 16 Dec Marshall

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 20s. Northwest Winds 5 to 10 Mph.

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Gilman Temperature Statistics

December Temperature

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

  • Lowest 14 December, 2025

    -16.1 °F

  • Average December

    15 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    60.9 °F
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