Parnell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Parnell, a city in Iowa County, Iowa.
Today
52°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 9am. Mostly cloudy, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Parnell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph W | 18% |
| Tonight | 44°F | Mostly Cloudy | 15 mph W | 12% |
| Thursday | 54°F | Rain Showers Likely | 10 to 15 mph W | 71% |
| Thursday Night | 40°F | Mostly Cloudy | 10 mph N | 12% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 36°F | Clear | 5 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Parnell (41.584, -92.004). Updated through the day.
Growing snapshot for Parnell
Last spring frost
Apr 28
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5b
More local growing data for Parnell: nearby ZIP 52361 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Amana
Conroy
East Amana
High Amana
Homestead
Ladora
Marengo
Middle Amana
Millersburg
North English
South Amana
Victor
West Amana
Williamsburg
Climate data from the nearest NOAA station, Williamsburg 1E, Ia (1.9 mi from Parnell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.