Chicago Heights, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chicago Heights, a city in Cook County, Illinois.
This Afternoon
74°F
Chance Rain Showers
A chance of rain showers. Partly sunny. High near 74, with temperatures falling to around 70 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
7-day forecast for Chicago Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Rain Showers | 15 mph S | 29% |
| Tonight | 61°F | Rain Showers Likely | 15 mph S | 74% |
| Wednesday | 65°F | Rain Showers Likely then Mostly Cloudy | 15 mph SSW | 56% |
| Wednesday Night | 49°F | Mostly Cloudy | 15 mph SW | 9% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 15% |
| Thursday Night | 44°F | Chance Rain Showers | 5 to 10 mph WNW | 43% |
| Friday | 54°F | Chance Rain Showers | 10 mph N | 33% |
| Friday Night | 38°F | Slight Chance Rain then Mostly Cloudy | 5 to 10 mph NNW | 16% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 12% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 6% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 10% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 7% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Chicago Heights (41.511, -87.635). Updated through the day.
Growing snapshot for Chicago Heights
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Chicago Heights: nearby ZIP 60475 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Alsip
Arbury Hills
Arlington Heights
Barrington
Barrington Hills
Bedford Park
Bellwood
Berkeley
Berwyn
Blue Island
Bridgeview
Broadview
Brookfield
Burbank
Burnham
Calumet City
Calumet Park
Chicago
Chicago Ridge
Cicero
Country Club Hills
Countryside
Crestwood
Crete
Des Plaines
Dixmoor
Dolton
East Hazel Crest
Elk Grove Village
Elmwood Park
Climate data from the nearest NOAA station, Park Forest, Il (3.1 mi from Chicago Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.