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.
Marietta Temperature Statistics
January Temperature
Marshalltown, Marshalltown Municipal Airport (4.3 miles)
Lowest 21 January, 2025
-12.2 °FAverage January
16.6 °FHighest 17 January, 2025
49.6 °F
Climate (2020–Present)
Marshalltown, Marshalltown Municipal Airport (4.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
39.3 °FAverage 2020–2025
49.8 °FAverage High 2020–2025
60.3 °F