Coralville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coralville, a city in Johnson County, Iowa.
Today
52°F
Chance Rain Showers then Cloudy
A chance of rain showers before noon. Cloudy, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Coralville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Chance Rain Showers then Cloudy | 10 to 15 mph W | 29% |
| Tonight | 45°F | Cloudy then Slight Chance Rain Showers | 10 mph W | 15% |
| Thursday | 54°F | Rain Showers Likely | 10 mph NW | 65% |
| Thursday Night | 41°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 58°F | Sunny | 5 mph W | 2% |
| Sunday Night | 36°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 63°F | Sunny | 0 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 N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Coralville (41.699, -91.597). Updated through the day.
Growing snapshot for Coralville
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
180 days
Hardiness zone
5b
More local growing data for Coralville: nearby ZIP 52241 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Frytown
Hills
Iowa City
Kalona
Lone Tree
North Liberty
Oxford
Shueyville
Solon
Swisher
Tiffin
University Heights
Climate data from the nearest NOAA station, Iowa City Muni Ap, Ia (5.3 mi from Coralville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.