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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

WhenTempForecastWindPrecip
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

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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.