Clermont, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clermont, a city in Fayette County, Iowa.
Tonight
57°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Cloudy, with a low around 57. Northeast wind 3 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Clermont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 36% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 20% |
| Sunday Night | 50°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph NE | 28% |
| Monday | 62°F | Rain Showers Likely | 10 mph NE | 57% |
| Monday Night | 46°F | Rain Showers Likely | 5 to 9 mph NE | 57% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 5 to 8 mph NE | 42% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph E | 2% |
| Thursday | 67°F | Partly Sunny | 2 mph E | 11% |
| Thursday Night | 52°F | Mostly Cloudy | 1 mph NE | 12% |
| Friday | 71°F | Partly Sunny | 2 mph E | 9% |
| Friday Night | 53°F | Mostly Cloudy | 1 mph E | 5% |
| Saturday | 71°F | Slight Chance Rain Showers | 0 to 5 mph SE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Clermont (43.000, -91.652). Updated through the day.
Growing snapshot for Clermont
Last spring frost
May 1
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
More local growing data for Clermont: nearby ZIP 52135 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Arlington
Elgin
Fayette
Hawkeye
Jackson Junction
Maynard
Oelwein
Randalia
St. Lucas
Stanley
Wadena
Waucoma
West Union
Westgate
Climate data from the nearest NOAA station, Postville, Ia (7.1 mi from Clermont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.