Harman US

Cedar Rapids, IA Weather & Growing Conditions

Overnight
50°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy, with a low around 50. Southwest wind around 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Slight Chance Rain Showers 10 mph SW 22%
Wednesday 52°F Chance Rain Showers 10 to 15 mph SW 29%
Wednesday Night 45°F Slight Chance Rain Showers 10 mph W 21%
Thursday 54°F Chance Rain Showers 10 mph W 33%
Thursday Night 40°F Mostly Cloudy 5 to 10 mph N 13%
Friday 49°F Mostly Sunny 5 to 10 mph N 3%
Friday Night 30°F Mostly Clear 0 to 5 mph N 0%
Saturday 51°F Sunny 0 to 5 mph NW 1%
Saturday Night 35°F Mostly Clear 5 mph W 1%
Sunday 57°F Sunny 5 mph W 3%
Sunday Night 36°F Clear 0 to 5 mph SW 0%
Monday 62°F Sunny 5 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph W 0%
Tuesday 61°F Sunny 5 mph NW 0%

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

Growing snapshot for Cedar Rapids, IA

Last spring frost
Apr 27
First fall frost
Oct 11
Growing season
165 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Cedar Rapids Muni Ap, Ia (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.