Rockwell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwell, a city in Cerro Gordo County, Iowa.
Today
74°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 74, with temperatures falling to around 72 in the afternoon. Northwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Rockwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Showers And Thunderstorms Likely | 9 mph NW | 65% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 3 to 8 mph NNW | 56% |
| Wednesday | 73°F | Mostly Sunny | 1 to 5 mph N | 6% |
| Wednesday Night | 53°F | Mostly Clear | 1 mph ENE | 2% |
| Thursday | 78°F | Sunny | 0 to 3 mph SSW | 2% |
| Thursday Night | 58°F | Mostly Clear | 5 mph S | 1% |
| Friday | 82°F | Sunny | 3 to 10 mph S | 8% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 8 mph S | 19% |
| Saturday | 85°F | Sunny | 5 to 9 mph S | 14% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 31% |
| Sunday | 85°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SE | 31% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 7 mph SSE | 33% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph SE | 33% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph ENE | 35% |
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 Aug 4, 2026.