Harman US

Cedar Rapids, IA Weather & Growing Conditions

Today
83°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Today 83°F Partly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 37%
Tonight 64°F Showers And Thunderstorms Likely 5 to 10 mph N 83%
Wednesday 77°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 5 mph N 70%
Wednesday Night 58°F Chance Showers And Thunderstorms 0 to 5 mph N 38%
Thursday 81°F Slight Chance Rain Showers then Mostly Sunny 0 to 5 mph NE 23%
Thursday Night 60°F Mostly Clear 0 mph 2%
Friday 84°F Mostly Sunny 0 to 5 mph S 3%
Friday Night 65°F Mostly Clear 5 mph S 10%
Saturday 87°F Mostly Sunny 5 to 10 mph S 9%
Saturday Night 70°F Mostly Clear then Slight Chance Showers And Thunderstorms 5 to 10 mph S 20%
Sunday 88°F Slight Chance Showers And Thunderstorms then Mostly Sunny 5 to 10 mph S 20%
Sunday Night 70°F Chance Showers And Thunderstorms 5 to 10 mph S 39%
Monday 87°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 to 10 mph S 39%
Monday Night 70°F Slight Chance Showers And Thunderstorms 10 mph SE 36%

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

Growing snapshot for Cedar Rapids, IA

Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Cedar Rapids #1, Ia (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.