Donnellson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Donnellson, a city in Lee County, Iowa.
Tonight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. Northwest wind 0 to 5 mph. Chance of precipitation is 60%.
7-day forecast for Donnellson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 59% |
| Sunday | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph N | 61% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 10 mph NE | 65% |
| Monday | 64°F | Showers And Thunderstorms | 10 mph NE | 78% |
| Monday Night | 55°F | Rain Showers Likely | 5 to 10 mph NE | 71% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 34% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 mph NE | 3% |
| Wednesday | 66°F | Partly Sunny | 5 mph NE | 1% |
| Wednesday Night | 53°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 0 mph | 17% |
| Friday | 73°F | Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
| Friday Night | 58°F | Partly Cloudy | 0 to 5 mph NE | 8% |
| Saturday | 74°F | Mostly Sunny | 0 to 5 mph E | 8% |
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 Sep 20, 2026.