Chadwick, IL Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 10 mph SW | 13% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 5 mph NW | 90% |
| Wednesday | 76°F | Showers And Thunderstorms | 5 mph W | 76% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 72% |
| Thursday | 78°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 36% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 7% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 21% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 21% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 38% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chadwick, IL
Last spring frost
May 2
First fall frost
Oct 7
Growing season
154 days
Hardiness zone
5a
Explore more for Chadwick, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Mt Carroll, Il (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.