Chatsworth, IL Weather & Growing Conditions
This Afternoon
64°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 64, with temperatures falling to around 56 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Rain Showers | 15 mph WSW | 6% |
| Tonight | 45°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 3% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 35% |
| Thursday Night | 38°F | Chance Rain then Cloudy | 5 to 10 mph NW | 41% |
| Friday | 51°F | Partly Sunny | 10 mph NNW | 4% |
| Friday Night | 30°F | Mostly Clear | 5 mph NNW | 0% |
| Saturday | 53°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Sunday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Clear | 5 mph WSW | 0% |
| Tuesday | 65°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chatsworth, IL
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
Explore more for Chatsworth, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Piper City, Il (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.