Marysville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marysville, a city in Marion County, Iowa.
Overnight
71°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marysville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Slight Chance Showers And Thunderstorms | 7 mph S | 26% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 8 mph SW | 47% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 6 mph NNW | 71% |
| Sunday | 67°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 to 10 mph NNE | 54% |
| Sunday Night | 58°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NE | 63% |
| Monday | 61°F | Rain Showers Likely | 10 mph NE | 63% |
| Monday Night | 53°F | Rain Showers Likely | 6 to 9 mph NE | 60% |
| Tuesday | 59°F | Chance Rain Showers then Partly Sunny | 8 mph NE | 31% |
| Tuesday Night | 47°F | Partly Cloudy | 2 to 6 mph NE | 3% |
| Wednesday | 64°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph ENE | 3% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph E | 15% |
| Thursday Night | 56°F | Mostly Cloudy | 2 mph E | 7% |
| Friday | 68°F | Partly Sunny | 1 to 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov) for Marysville (41.181, -92.954). Updated through the day.
Growing snapshot for Marysville
Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b
More local growing data for Marysville: nearby ZIP 50116 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Knoxville, Ia (11.8 mi from Marysville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.