Donnellson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Donnellson, a city in Lee County, Iowa.
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Donnellson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 10 mph SW | 8% |
| Wednesday | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph W | 16% |
| Wednesday Night | 45°F | Mostly Cloudy | 10 mph W | 3% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph W | 42% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 22% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 41°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Donnellson (40.645, -91.564). Updated through the day.
Growing snapshot for Donnellson
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Donnellson: nearby ZIP 52625 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
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Sandusky
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Donnellson, Ia (1.2 mi from Donnellson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.