Chatsworth, IL Weather & Growing Conditions
Today
64°F
Slight Chance Rain then Slight Chance Rain Showers
A slight chance of rain before 11am, then a slight chance of drizzle between 11am and noon, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. West southwest wind 10 to 15 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Slight Chance Rain then Slight Chance Rain Showers | 10 to 15 mph WSW | 18% |
| Tonight | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph SW | 3% |
| Thursday | 58°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 | 32°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 54°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 5 mph WNW | 1% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 32°F | Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 65°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 37°F | Partly Cloudy | 0 mph | 1% |
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 4, 2026.