Chicago, IL Weather & Growing Conditions
Today
64°F
Slight Chance Drizzle then Slight Chance Rain Showers
A slight chance of drizzle before 1pm, 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. Southwest wind around 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Slight Chance Drizzle then Slight Chance Rain Showers | 15 mph SW | 14% |
| Tonight | 47°F | Slight Chance Rain | 10 to 15 mph SW | 15% |
| Thursday | 55°F | Chance Rain | 10 to 15 mph WSW | 51% |
| Thursday Night | 41°F | Rain Likely then Cloudy | 10 mph NNW | 65% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 12% |
| Friday Night | 39°F | Mostly Cloudy | 5 to 15 mph NNW | 3% |
| 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). Updated through the day.
Growing snapshot for Chicago, IL
Last spring frost
Apr 10
First fall frost
Nov 5
Growing season
208 days
Hardiness zone
6a
Explore more for Chicago, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chicago Northerly Is, Il (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.