Cedar Rapids, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cedar Rapids, a city in Linn County, Iowa.
Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Cedar Rapids
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 81% |
| Wednesday | 77°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph N | 70% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 35% |
| Thursday | 82°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 22% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 2% |
| Friday | 84°F | Sunny | 0 to 5 mph SE | 3% |
| Friday Night | 66°F | Mostly Clear | 5 mph S | 11% |
| Saturday | 88°F | Sunny | 5 mph S | 9% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 17% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 38% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 38% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Cedar Rapids (41.966, -91.679). Updated through the day.
Growing snapshot for Cedar Rapids
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Cedar Rapids: nearby ZIP 52401 weather · frost dates · planting calendar · Iowa frost dates
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Prairieburg
Robins
Springville
Walker
Climate data from the nearest NOAA station, Cedar Rapids #1, Ia (6.3 mi from Cedar Rapids). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.