Rockwell City, IA Weather & Growing Conditions
Overnight
43°F
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Rain Showers Likely | 10 to 15 mph NW | 56% |
| Wednesday | 49°F | Chance Rain Showers | 14 mph W | 37% |
| Wednesday Night | 41°F | Chance Rain Showers | 8 to 12 mph WNW | 41% |
| Thursday | 50°F | Chance Rain Showers then Mostly Cloudy | 10 mph NNW | 31% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 7 mph N | 0% |
| Friday | 49°F | Mostly Sunny | 0 to 3 mph N | 1% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 53°F | Mostly Sunny | 2 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph W | 0% |
| Sunday | 58°F | Sunny | 3 mph W | 0% |
| Sunday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 64°F | Sunny | 6 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 2 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 2 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockwell City, IA
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
Explore more for Rockwell City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Rockwell City, Ia (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.