Chicago, IL Weather
Chicago, IL climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 84.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 18.30 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.
The annual average precipitation at Chicago is 38.01 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.30 Inches.
Weather Data
Current Conditions
|
Fair, 69°F | Humidity: 73% | Dewpoint: 60°F |
| Wind Speed: CALM | Heat Index: 69°F | ||
| Barometer: 30.04 in. | Wind Chill: 69°F |
Weather Forecast
 | Tonight: Clear. Lows in the upper 50s...Except in the mid 60s downtown. Light and variable winds. | |
| Lo: 59°F | ||
 | Hi: 81°F | Saturday: Sunny. Highs in the lower 80s. Light and variable winds. |
| Lo: 60°F | ||
| Hi: 85°F | Sunday: Sunny. Highs in the mid 80s. Southeast winds around 10 mph. |
| Lo: 61°F | ||
| Hi: 85°F | Labor day: Sunny. Highs in the mid 80s. |
| Lo: 65°F | ||
| Hi: 89°F | Tuesday: Sunny. Highs in the upper 80s. |
| Lo: 69°F | ||
 | Hi: 85°F | Wednesday: Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. |
| Lo: 69°F | ||
| Hi: 85°F | Thursday: Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. |
| Lo: 69°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waning Crescent Moon | Civil Twilight: 5:44 AM CDT |
Sunrise: 6:12 AM CDT |
| Sunset: 7:29 PM CDT |
Civil Twilight: 7:58 PM CDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 32.2 | 37.4 | 47.4 | 58.9 | 70.2 | 80.3 | 84.4 | 82.7 | 76.2 | 64.3 | 49.4 | 37.1 | 60.0 |
| Mean °F | 25.3 | 30.7 | 39.8 | 50.2 | 60.8 | 70.6 | 75.4 | 74.0 | 66.8 | 55.3 | 42.3 | 30.3 | 51.8 |
| Min °F | 18.3 | 23.9 | 32.2 | 41.5 | 51.3 | 60.8 | 66.3 | 65.3 | 57.4 | 46.2 | 35.1 | 23.5 | 43.5 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 2.17 | 1.77 | 3.01 | 3.65 | 3.70 | 4.30 | 3.68 | 3.86 | 3.21 | 2.71 | 3.32 | 2.63 | 38.01 |
