Marietta Weather Forecast
- 5
- 41
Blizzard
- 1
- 15
Blowing Snow
- 22
- 30
Snow Likely
- 33
- 49
Partly Sunny
- 37
- 64
Partly Sunny
- 41
- 66
Partly Sunny
Today 15 Mar Marshall
Rain with a slight chance of Thunderstorms in the Morning, then snow with rain likely in the afternoon. Areas of blowing snow in the afternoon. Snow accumulation around an inch. Very windy with Highs in the mid 40s. Temperature falling into the lower 30s in the afternoon. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph, increasing to north 30 to 40 Mph with Gusts up to 55 Mph in the afternoon. Chance of precipitation 90 percent.
Tonight 15 Mar Marshall
Cloudy with a chance of rain with a slight chance of Thunderstorms. Near steady temperature in the upper 30s. Southeast Winds 15 to 20 Mph. Chance of rain 50 percent.
Marietta Temperature Statistics
March Temperature
Marshalltown, Marshalltown Municipal Airport (4.3 miles)
Lowest 1 March, 2026
17.7 °FAverage March
41.3 °FHighest 9 March, 2026
69.1 °F
Climate (2021–Present)
Marshalltown, Marshalltown Municipal Airport (4.3 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
50.5 °FAverage High 2021–2026
61.2 °F