Chicago, Illinois Weather Forecast
Today in Chicago: clear skies with a high near 74°F and a low around 58°F. Rain chance 0%. Best chance of rain is Wednesday at 70%. Cooling trend: highs fall from 74°F today to 66°F by Wednesday.
Forecast updated 9:05 PM CDT, Oct 11
Active Weather Alerts
7-Day Forecast for Chicago
Today 10/11
74°/58°
0%
Mon 10/12
83°/63°
6%
Tue 10/13
79°/66°
30%
Wed 10/14
66°/59°
70%
Thu 10/15
63°/57°
62%
Fri 10/16
58°/47°
32%
Sat 10/17
53°/41°
3%
Next 24 Hours
| Now | 11 PM | Mon12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | |  | | | | | | | | | | | | | | | | | | | | | |
| Temp | 64° | 64° | 64° | 64° | 64° | 64° | 63° | 63° | 64° | 64° | 66° | 69° | 72° | 75° | 78° | 80° | 82° | 83° | 83° | 82° | 80° | 78° | 77° | 77° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 2% | 3% | 3% | 4% | 4% | 3% | 4% | 5% | 5% | 4% | 4% | 5% |
| Wind | S 4 | S 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SW 9 | SW 10 | SW 11 | SW 11 | SW 11 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 11 |
Growing Conditions
Growing degree days
3,326
since Apr 1, base 50°F
Rain, last 30 days
7.84 in
model analysis
Rain, year to date
41.84 in
since Jan 1
2-inch soil temperature
69°F
yesterday, daily average
Reference ET, last 7 days
0.85 in
FAO-56 grass reference
Through Oct 10. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Chicago →
Current Stats & Observations
NWS Forecast
About Chicago Weather
Chicago sits at about 571 feet above sea level in Cook County, Illinois. About 8,604,203 people live in the Chicago area. Official forecasts and warnings for the area come from the National Weather Service LOT office, and the nearest NEXRAD radar site is KLOT. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around Apr 18 and the first fall freeze around Nov 8.
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