Marietta Weather Forecast

    • 29
    • 48

    Sunny

    • 33
    • 50

    Rain Likely

    • 26
    • 47

    Chance Rain

    • 34
    • 44

    Mostly Cloudy

    • 24
    • 54

    Mostly Cloudy

    • 17
    • 34

    Mostly Cloudy

    • 17
    • 31

    Mostly Cloudy

Today 29 Jan Marshall

Sunny. Highs in the upper 40s. West Winds 5 to 10 Mph.

Tonight 29 Jan Marshall

Clear. Lows in the upper 20s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

January Temperature

Marshalltown, Marshalltown Municipal Airport (4.3 miles)

  • Lowest 21 January, 2025

    -12.2 °F

  • Average January

    16.6 °F

  • Highest 17 January, 2025

    49.6 °F

Climate (2020–Present)

Marshalltown, Marshalltown Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    60.3 °F
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