Harman US

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

WhenTempForecastWindPrecip
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

All Iowa locations ›

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.