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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.

Tonight
39°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Chatsworth

WhenTempForecastWindPrecip
Tonight 39°F Rain Showers Likely 15 mph NW 59%
Wednesday 48°F Rain Showers Likely 15 to 20 mph WNW 55%
Wednesday Night 38°F Chance Rain Showers 10 to 15 mph NW 41%
Thursday 48°F Mostly Cloudy 10 to 15 mph NNW 4%
Thursday Night 32°F Mostly Cloudy 0 to 5 mph N 0%
Friday 48°F Mostly Sunny 0 mph 0%
Friday Night 30°F Partly Cloudy 0 mph 0%
Saturday 54°F Mostly Sunny 0 to 5 mph SSW 0%
Saturday Night 35°F Mostly Clear 0 to 5 mph WNW 5%
Sunday 60°F Sunny 0 to 5 mph WSW 3%
Sunday Night 38°F Mostly Clear 5 mph S 0%
Monday 63°F Sunny 5 to 10 mph WSW 0%
Monday Night 38°F Mostly Clear 0 to 5 mph NW 0%
Tuesday 60°F Mostly Sunny 0 to 5 mph SW 1%

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 Nov 4, 2026.