Rockwell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwell, a city in Cerro Gordo County, Iowa.
Tonight
44°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 44, with temperatures rising to around 49 overnight. Northwest wind around 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Rockwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Rain Showers Likely | 12 mph NW | 74% |
| Wednesday | 51°F | Chance Rain Showers | 10 to 16 mph W | 47% |
| Wednesday Night | 40°F | Rain Showers Likely | 9 to 13 mph WNW | 62% |
| Thursday | 50°F | Chance Rain Showers | 10 to 14 mph NNW | 51% |
| Thursday Night | 35°F | Mostly Cloudy | 5 to 9 mph N | 13% |
| Friday | 48°F | Partly Sunny | 2 to 7 mph NNE | 2% |
| Friday Night | 29°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 58°F | Sunny | 3 to 7 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 61°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 1% |
| Tuesday | 59°F | Mostly Sunny | 6 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rockwell (42.980, -93.187). Updated through the day.
Growing snapshot for Rockwell
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Rockwell: nearby ZIP 50469 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mason City, Ia (11.3 mi from Rockwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.