Ventura, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ventura, a city in Cerro Gordo County, Iowa.
Today
68°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms before 11am, then patchy fog and a chance of showers and thunderstorms between 11am and 5pm. Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. Northeast wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ventura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Patchy Fog | 5 to 9 mph NE | 39% |
| Tonight | 57°F | Cloudy then Slight Chance Drizzle | 9 to 14 mph NNE | 16% |
| Sunday | 66°F | Mostly Cloudy | 15 mph NE | 9% |
| Sunday Night | 50°F | Chance Rain Showers | 14 mph ENE | 27% |
| Monday | 61°F | Chance Rain Showers | 9 to 14 mph ENE | 38% |
| Monday Night | 45°F | Chance Rain Showers | 6 to 9 mph ENE | 34% |
| Tuesday | 61°F | Mostly Sunny | 8 mph ENE | 10% |
| Tuesday Night | 42°F | Mostly Clear | 6 mph E | 0% |
| Wednesday | 64°F | Sunny | 5 mph ESE | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph ESE | 7% |
| Thursday | 65°F | Partly Sunny | 5 mph SE | 9% |
| Thursday Night | 50°F | Mostly Cloudy | 3 mph SE | 4% |
| Friday | 68°F | Mostly Sunny | 6 mph SE | 6% |
| Friday Night | 51°F | Mostly Cloudy | 5 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Ventura (43.129, -93.466). Updated through the day.
Growing snapshot for Ventura
Last spring frost
May 3
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
5a
More local growing data for Ventura: nearby ZIP 50482 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mason City Muni Ap, Ia (8.2 mi from Ventura). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.