Clinton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a city in Clinton County, Iowa.
Today
81°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog and occasional showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Chance Showers And Thunderstorms | 5 to 10 mph SE | 98% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 88% |
| Sunday | 70°F | Rain Showers Likely | 10 to 15 mph NE | 69% |
| Sunday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 52% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 4% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 4% |
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
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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 Sep 19, 2026.