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Chatsworth, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chatsworth, a city in Sioux County, Iowa.

Today
69°F
Patchy Fog then Cloudy
Patchy fog and a slight chance of rain showers before 9am. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Chatsworth

WhenTempForecastWindPrecip
Today 69°F Patchy Fog then Cloudy 5 to 10 mph N 20%
Tonight 57°F Cloudy 10 mph NNE 9%
Sunday 66°F Cloudy then Chance Rain Showers 10 to 15 mph NE 25%
Sunday Night 53°F Rain Showers Likely 5 to 10 mph ENE 62%
Monday 61°F Showers And Thunderstorms Likely 5 to 10 mph ENE 62%
Monday Night 47°F Chance Rain Showers then Mostly Cloudy 0 to 10 mph E 29%
Tuesday 64°F Partly Sunny 5 to 10 mph E 4%
Tuesday Night 45°F Partly Cloudy 5 mph SE 1%
Wednesday 67°F Mostly Sunny 5 to 10 mph SE 7%
Wednesday Night 50°F Partly Cloudy then Chance Rain Showers 5 mph SE 28%
Thursday 68°F Chance Rain Showers 5 to 10 mph SE 28%
Thursday Night 54°F Slight Chance Rain Showers 5 mph SE 18%
Friday 71°F Slight Chance Rain Showers 5 to 10 mph SE 18%
Friday Night 55°F Mostly Cloudy then Slight Chance Rain Showers 5 to 10 mph SE 24%

Forecast source: National Weather Service (api.weather.gov) for Chatsworth (42.916, -96.514). Updated through the day.

Growing snapshot for Chatsworth

Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days

More local growing data for Chatsworth: nearby ZIP 51011 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Hawarden, Ia (6.2 mi from Chatsworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.