Clinton, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a city in Clinton County, Iowa.

This Afternoon

68°F

Showers And Thunderstorms

Showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Clinton

When	Temp	Forecast	Wind	Precip
This Afternoon	68°F	Showers And Thunderstorms	15 mph S	93%
Tonight	52°F	Showers And Thunderstorms	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%

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

More local growing data for Clinton: nearby ZIP 52732 weather · frost dates · planting calendar · Iowa frost dates

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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 3, 2026.