Marshalltown Weather Forecast

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    • 82

    Chance Thunderstorms

    • 69
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    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 60
    • 76

    Chance Thunderstorms

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    Chance Thunderstorms

Today 8 Aug Marshall

Sunny. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 8 Aug Marshall

Partly cloudy. A chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Marshalltown Temperature Statistics

August Temperature

Marshalltown, Marshalltown Municipal Airport (3.7 miles)

  • Lowest 2 August, 2026

    60.7 °F

  • Average August

    70.6 °F

  • Highest 3 August, 2026

    83.6 °F

Climate (2021–2026)

Marshalltown, Marshalltown Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.4 °F
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