Chatsworth, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chatsworth, a city in Sioux County, Iowa.
Tonight
63°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1am and 2am, then patchy fog and a chance of showers and thunderstorms between 2am and 4am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 63, with temperatures rising to around 67 overnight. North wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chatsworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph N | 33% |
| Saturday | 71°F | Patchy Fog then Cloudy | 5 to 10 mph N | 21% |
| Saturday Night | 57°F | Mostly Cloudy | 5 to 10 mph NNE | 14% |
| Sunday | 66°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 40% |
| Sunday Night | 53°F | Rain Showers Likely | 5 to 10 mph ENE | 68% |
| Monday | 60°F | Showers And Thunderstorms Likely | 10 mph ENE | 68% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 39% |
| Tuesday | 63°F | Mostly Cloudy | 5 mph E | 4% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph SE | 10% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 38% |
| Thursday | 67°F | Chance Rain Showers | 5 to 10 mph SSE | 38% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 20% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 0 to 10 mph SE | 20% |
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
Nearby towns & communities
Alton
Boyden
Craig
Hawarden
Hospers
Hull
Ireton
Matlock
Maurice
Orange City
Rock Valley
Sheldon
Sioux Center
Struble
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.