Chicago, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chicago, a city in Cook County, Illinois.
Today
64°F
Scattered Rain Showers then Patchy Drizzle
Scattered rain showers before 10am, then patchy drizzle and isolated rain showers. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SW | 28% |
| Tonight | 49°F | Patchy Drizzle then Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 43°F | Rain Showers Likely | 10 to 15 mph NW | 65% |
| Friday | 51°F | Chance Rain Showers then Mostly Cloudy | 15 mph NNW | 27% |
| Friday Night | 39°F | Partly Cloudy | 5 to 15 mph NNW | 7% |
| Saturday | 51°F | Mostly Sunny | 5 mph NW | 3% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 39°F | Mostly Clear | 5 mph W | 2% |
| Monday | 59°F | Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 44°F | Mostly Clear | 5 to 10 mph WSW | 1% |
| Tuesday | 60°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Chicago (41.837, -87.685). Updated through the day.
Growing snapshot for Chicago
Last spring frost
Apr 10
First fall frost
Nov 5
Growing season
208 days
Hardiness zone
6a
More local growing data for Chicago: nearby ZIP 60608 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Arlington Heights
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Berkeley
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Bridgeview
Broadview
Brookfield
Burbank
Burnham
Calumet City
Calumet Park
Chicago Heights
Chicago Ridge
Cicero
Country Club Hills
Countryside
Crestwood
Crete
Des Plaines
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East Hazel Crest
Elk Grove Village
Elmwood Park
Climate data from the nearest NOAA station, Chicago Northerly Is, Il (3.2 mi from Chicago). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.