Marietta Weather Forecast

    • 33
    • 50

    Chance Rain/Snow

    • 26
    • 47

    Chance Rain/Snow

    • 33
    • 45

    Mostly Cloudy

    • 24
    • 53

    Mostly Cloudy

    • 15
    • 36

    Mostly Cloudy

    • 17
    • 32

    Mostly Cloudy

Today 30 Jan Marshall

Mostly sunny this Morning, then mostly cloudy with a chance of rain this afternoon. Highs in the upper 40s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 30 Jan Marshall

Cloudy with a 50 percent chance of rain. Lows in the lower 30s. Northeast Winds around 5 Mph, increasing to 10 to 15 Mph after midnight.

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Marietta Temperature Statistics

January Temperature

Marshalltown, Marshalltown Municipal Airport (4.3 miles)

  • Lowest 21 January, 2025

    -12.2 °F

  • Average January

    17.3 °F

  • Highest 28 January, 2025

    54 °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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