Gilman Weather Forecast

    • 68
    • 82

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 68
    • 88

    Thunderstorms Likely

    • 66
    • 84

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Slight Chance Rain Showers

Today 6 Aug Marshall

Partly sunny. Highs in the lower 80s. South Winds around 10 Mph.

Tonight 6 Aug Marshall

Partly sunny Early, then becoming partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Gilman Temperature Statistics

August Temperature

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

  • Lowest 1 August, 2025

    54.6 °F

  • Average August

    65.7 °F

  • Highest 4 August, 2025

    77 °F

Climate (2020–Present)

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    60.7 °F
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