Rockwell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwell, a city in Cerro Gordo County, Iowa.
Tonight
57°F
Cloudy then Slight Chance Drizzle
A slight chance of drizzle between 1am and 5am. Cloudy, with a low around 57. North northeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rockwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Cloudy then Slight Chance Drizzle | 10 mph NNE | 20% |
| Sunday | 66°F | Slight Chance Drizzle | 14 mph NE | 24% |
| Sunday Night | 50°F | Slight Chance Drizzle then Chance Rain Showers | 12 mph ENE | 41% |
| Monday | 59°F | Rain Showers Likely | 12 mph NE | 71% |
| Monday Night | 46°F | Rain Showers Likely | 5 to 9 mph NE | 71% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 7 mph ENE | 17% |
| Tuesday Night | 43°F | Partly Cloudy | 2 to 6 mph ENE | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph ESE | 8% |
| Thursday | 66°F | Slight Chance Rain Showers | 1 to 5 mph SE | 22% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 3 mph SE | 20% |
| Friday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph ESE | 16% |
| Friday Night | 54°F | Mostly Cloudy | 2 mph SE | 9% |
| Saturday | 69°F | Slight Chance Rain Showers | 2 to 8 mph SE | 23% |
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 Sep 20, 2026.