Cedar Rapids, IA Weather & Growing Conditions
Tonight
50°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 50, with temperatures rising to around 53 overnight. South wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph S | 21% |
| Wednesday | 54°F | Chance Rain Showers | 10 mph SW | 30% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 10 mph W | 23% |
| Thursday | 54°F | Chance Rain Showers | 10 mph W | 42% |
| Thursday Night | 40°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 50°F | Mostly Sunny | 5 mph N | 3% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 mph W | 3% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 62°F | Sunny | 0 to 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 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 (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.