Ventura, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ventura, a city in Cerro Gordo County, Iowa.
Tonight
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1am, then showers and thunderstorms likely between 1am and 2am, then patchy fog and showers and thunderstorms likely between 2am and 4am, then patchy fog and showers and thunderstorms likely. Cloudy. Low around 63, with temperatures rising to around 65 overnight. Southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Ventura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms Likely | 9 to 14 mph SE | 72% |
| Saturday | 72°F | Patchy Fog | 8 mph NNW | 48% |
| Saturday Night | 56°F | Slight Chance Rain Showers | 9 to 14 mph NNE | 21% |
| Sunday | 65°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Sunday Night | 50°F | Chance Rain Showers | 13 mph ENE | 26% |
| Monday | 60°F | Chance Rain Showers | 14 mph ENE | 50% |
| Monday Night | 46°F | Chance Rain Showers | 7 to 10 mph ENE | 48% |
| Tuesday | 60°F | Partly Sunny | 6 to 9 mph ENE | 14% |
| Tuesday Night | 43°F | Partly Cloudy | 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 5 mph ESE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SE | 6% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph SSE | 16% |
| Thursday Night | 50°F | Mostly Cloudy | 3 mph SSE | 7% |
| Friday | 67°F | Partly Sunny | 5 mph ESE | 8% |
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.