Clinton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a city in Clinton County, Iowa.
Tonight
52°F
Rain Showers
Rain showers. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 15 mph S | 77% |
| Wednesday | 56°F | Chance Rain Showers | 15 mph SW | 28% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 10 to 15 mph SW | 20% |
| Thursday | 54°F | Chance Rain Showers | 10 mph W | 51% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 27% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 11% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 11% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 3% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Clinton (41.842, -90.243). Updated through the day.
Growing snapshot for Clinton
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
5b
More local growing data for Clinton: nearby ZIP 52732 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Andover
Calamus
Camanche
Charlotte
Delmar
DeWitt
Goose Lake
Grand Mound
Lost Nation
Low Moor
Toronto
Welton
Wheatland
Climate data from the nearest NOAA station, Fulton L&D #13, Il (5.1 mi from Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.