Hot-summer humid continental climate
Climate West Chicago - Illinois
Annual high60ºF
Annual low40ºF
Precipitation36.91 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 31 | 15 | 1.31 |
| Feb | 36 | 19 | 1.42 |
| Mar | 48 | 28 | 2.36 |
| Apr | 61 | 38 | 3.35 |
| May | 71 | 48 | 4.58 |
| Jun | 81 | 58 | 3.89 |
| Jul | 85 | 63 | 4.12 |
| Aug | 83 | 61 | 4.60 |
| Sep | 76 | 53 | 3.29 |
| Oct | 63 | 42 | 3.19 |
| Nov | 49 | 31 | 3.08 |
| Dec | 35 | 19 | 1.72 |
- JanHigh 31ºFLow 15ºFPrecip 1.31 inch
- FebHigh 36ºFLow 19ºFPrecip 1.42 inch
- MarHigh 48ºFLow 28ºFPrecip 2.36 inch
- AprHigh 61ºFLow 38ºFPrecip 3.35 inch
- MayHigh 71ºFLow 48ºFPrecip 4.58 inch
- JunHigh 81ºFLow 58ºFPrecip 3.89 inch
- JulHigh 85ºFLow 63ºFPrecip 4.12 inch
- AugHigh 83ºFLow 61ºFPrecip 4.60 inch
- SepHigh 76ºFLow 53ºFPrecip 3.29 inch
- OctHigh 63ºFLow 42ºFPrecip 3.19 inch
- NovHigh 49ºFLow 31ºFPrecip 3.08 inch
- DecHigh 35ºFLow 19ºFPrecip 1.72 inch
Climate summary
What is the average weather in West Chicago, Illinois?
West Chicago experiences a humid continental climate, marked by very large seasonal temperature swings due to its inland location. Summers are warm, while winters are cold. The area is fairly wet overall, with precipitation spread relatively evenly throughout the year, though summer tends to be wetter.
West Chicago weather averages
Annual high60ºF
Annual low40ºF
Precipitation36.91 inch
Daily normals West Chicago - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 31.4 | 17.8 | 0.04 | 0.04 |
| Jan 2 | 31.3 | 17.6 | 0.09 | 0.09 |
| Jan 3 | 31.1 | 17.4 | 0.14 | 0.14 |
| Jan 4 | 31.0 | 17.2 | 0.18 | 0.18 |
| Jan 5 | 30.9 | 17.1 | 0.23 | 0.23 |
| Jan 6 | 30.7 | 16.9 | 0.27 | 0.27 |
| Jan 7 | 30.6 | 16.8 | 0.31 | 0.31 |
| Jan 8 | 30.5 | 16.6 | 0.35 | 0.35 |
| Jan 9 | 30.5 | 16.5 | 0.40 | 0.40 |
| Jan 10 | 30.4 | 16.3 | 0.44 | 0.44 |
| Jan 11 | 30.3 | 16.2 | 0.49 | 0.49 |
| Jan 12 | 30.2 | 16.1 | 0.53 | 0.53 |
| Jan 13 | 30.2 | 16.0 | 0.56 | 0.56 |
| Jan 14 | 30.2 | 15.9 | 0.60 | 0.60 |
| Jan 15 | 30.1 | 15.8 | 0.64 | 0.64 |
| Jan 16 | 30.1 | 15.7 | 0.68 | 0.68 |
| Jan 17 | 30.1 | 15.6 | 0.72 | 0.72 |
| Jan 18 | 30.1 | 15.6 | 0.76 | 0.76 |
| Jan 19 | 30.1 | 15.5 | 0.80 | 0.80 |
| Jan 20 | 30.1 | 15.5 | 0.84 | 0.84 |
| Jan 21 | 30.1 | 15.4 | 0.88 | 0.88 |
| Jan 22 | 30.2 | 15.4 | 0.92 | 0.92 |
| Jan 23 | 30.2 | 15.4 | 0.96 | 0.96 |
| Jan 24 | 30.3 | 15.4 | 1.00 | 1.00 |
| Jan 25 | 30.4 | 15.4 | 1.04 | 1.04 |
| Jan 26 | 30.5 | 15.5 | 1.08 | 1.08 |
| Jan 27 | 30.6 | 15.5 | 1.12 | 1.12 |
| Jan 28 | 30.7 | 15.6 | 1.15 | 1.15 |
| Jan 29 | 30.8 | 15.7 | 1.19 | 1.19 |
| Jan 30 | 30.9 | 15.7 | 1.23 | 1.23 |
| Jan 31 | 31.1 | 15.8 | 1.27 | 1.27 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history West Chicago - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 63.0 | 52.0 | 0.01 |
| Nov 2 | 61.0 | 54.0 | 0.01 |
| Nov 3 | 68.0 | 61.0 | 0.10 |
| Nov 4 | 64.9 | 51.1 | 0.13 |
| Nov 5 | 52.0 | 43.0 | 0.09 |
| Nov 6 | 48.0 | 35.1 | 0.00 |
| Nov 7 | 51.1 | 30.0 | 0.00 |
| Nov 8 | 61.0 | 36.0 | 0.00 |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature68.0ºF · Nov 3
- Lowest max temperature48.0ºF · Nov 6
- Highest min temperature61.0ºF · Nov 3
- Lowest min temperature30.0ºF · Nov 7
Geo West Chicago - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- –
- City
- West Chicago
- Zip Code
- 60185
- Elevation
- 784 ft
- Longitude
- -88.20
- Latitude
- 41.88
- ICAO
- –
- IATA
- –