Harman US

Coggon, IA Weather & Growing Conditions

Today
51°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 51. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Today 51°F Chance Rain Showers 15 mph SW 38%
Tonight 44°F Chance Rain Showers 10 to 15 mph W 30%
Thursday 52°F Chance Rain Showers 10 mph NW 38%
Thursday Night 38°F Mostly Cloudy 10 mph N 11%
Friday 48°F Mostly Sunny 5 to 10 mph N 1%
Friday Night 29°F Mostly Clear 0 to 5 mph N 0%
Saturday 50°F Sunny 0 to 5 mph NW 1%
Saturday Night 34°F Mostly Clear 5 mph W 1%
Sunday 56°F Sunny 5 to 10 mph W 3%
Sunday Night 35°F Clear 5 mph SW 0%
Monday 61°F Sunny 5 to 10 mph SW 0%
Monday Night 39°F Mostly Clear 5 mph W 0%
Tuesday 60°F Sunny 5 mph NW 0%
Tuesday Night 40°F Partly Cloudy 0 to 5 mph N 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Coggon, IA

Last spring frost
May 3
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
5a

Explore more for Coggon, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Coggon, Ia (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.