Climate West Chicago - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 31 | 36 | 48 | 61 | 71 | 81 |
| Average low in ºF Av. low Lo | 15 | 19 | 28 | 38 | 48 | 58 |
| Av. precipitation in inch Av. precip. Pre. | 1.31 | 1.42 | 2.36 | 3.35 | 4.58 | 3.89 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 83 | 76 | 63 | 49 | 35 |
| Average low in ºF Av. low Lo | 63 | 61 | 53 | 42 | 31 | 19 |
| Av. precipitation in inch Av. precip. Pre. | 4.12 | 4.60 | 3.29 | 3.19 | 3.08 | 1.72 |
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 Climate Graph - Illinois Climate Chart
Daily normals West Chicago - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 31.5 | 15.7 | 0.08 | 0.08 | 0.00 | 0.00 |
| 2 Jan | 31.4 | 15.7 | 0.12 | 0.12 | 0.00 | 0.00 |
| 3 Jan | 31.3 | 15.6 | 0.16 | 0.16 | 0.00 | 0.00 |
| 4 Jan | 31.3 | 15.5 | 0.20 | 0.20 | 0.00 | 0.00 |
| 5 Jan | 31.2 | 15.4 | 0.28 | 0.28 | 0.00 | 0.00 |
| 6 Jan | 31.1 | 15.4 | 0.31 | 0.31 | 0.00 | 0.00 |
| 7 Jan | 31.1 | 15.3 | 0.35 | 0.35 | 0.00 | 0.00 |
| 8 Jan | 31.1 | 15.3 | 0.39 | 0.39 | 0.00 | 0.00 |
| 9 Jan | 31.0 | 15.3 | 0.43 | 0.43 | 0.00 | 0.00 |
| 10 Jan | 31.0 | 15.2 | 0.47 | 0.47 | 0.00 | 0.00 |
| 11 Jan | 31.0 | 15.2 | 0.51 | 0.51 | 0.00 | 0.00 |
| 12 Jan | 31.0 | 15.2 | 0.51 | 0.51 | 0.00 | 0.00 |
| 13 Jan | 31.0 | 15.2 | 0.55 | 0.55 | 0.00 | 0.00 |
| 14 Jan | 31.0 | 15.2 | 0.59 | 0.59 | 0.00 | 0.00 |
| 15 Jan | 31.0 | 15.2 | 0.63 | 0.63 | 0.00 | 0.00 |
| 16 Jan | 31.1 | 15.2 | 0.67 | 0.67 | 0.00 | 0.00 |
| 17 Jan | 31.1 | 15.2 | 0.71 | 0.71 | 0.00 | 0.00 |
| 18 Jan | 31.2 | 15.3 | 0.75 | 0.75 | 0.00 | 0.00 |
| 19 Jan | 31.2 | 15.3 | 0.79 | 0.79 | 0.00 | 0.00 |
| 20 Jan | 31.3 | 15.3 | 0.83 | 0.83 | 0.00 | 0.00 |
| 21 Jan | 31.3 | 15.4 | 0.87 | 0.87 | 0.00 | 0.00 |
| 22 Jan | 31.4 | 15.4 | 0.91 | 0.91 | 0.00 | 0.00 |
| 23 Jan | 31.5 | 15.5 | 0.94 | 0.94 | 0.00 | 0.00 |
| 24 Jan | 31.6 | 15.6 | 0.98 | 0.98 | 0.00 | 0.00 |
| 25 Jan | 31.7 | 15.7 | 1.02 | 1.02 | 0.00 | 0.00 |
| 26 Jan | 31.8 | 15.7 | 1.06 | 1.06 | 0.00 | 0.00 |
| 27 Jan | 31.9 | 15.8 | 1.10 | 1.10 | 0.00 | 0.00 |
| 28 Jan | 32.1 | 15.9 | 1.18 | 1.18 | 0.00 | 0.00 |
| 29 Jan | 32.2 | 16.1 | 1.22 | 1.22 | 0.00 | 0.00 |
| 30 Jan | 32.3 | 16.2 | 1.26 | 1.26 | 0.00 | 0.00 |
| 31 Jan | 32.5 | 16.3 | 1.30 | 1.30 | 0.00 | 0.00 |
Weather history West Chicago - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 91.9 | 77.0 | 0.00 | - | - |
| 02 Jul | - | - | - | - | - |
| 03 Jul | - | - | - | - | - |
| 04 Jul | - | - | - | - | - |
| 05 Jul | - | - | - | - | - |
| 06 Jul | - | - | - | - | - |
| 07 Jul | - | - | - | - | - |
| 08 Jul | - | - | - | - | - |
| 09 Jul | - | - | - | - | - |
| 10 Jul | - | - | - | - | - |
| 11 Jul | - | - | - | - | - |
| 12 Jul | - | - | - | - | - |
| 13 Jul | - | - | - | - | - |
| 14 Jul | - | - | - | - | - |
| 15 Jul | - | - | - | - | - |
| 16 Jul | - | - | - | - | - |
| 17 Jul | - | - | - | - | - |
| 18 Jul | - | - | - | - | - |
| 19 Jul | - | - | - | - | - |
| 20 Jul | - | - | - | - | - |
| 21 Jul | - | - | - | - | - |
| 22 Jul | - | - | - | - | - |
| 23 Jul | - | - | - | - | - |
| 24 Jul | - | - | - | - | - |
| 25 Jul | - | - | - | - | - |
| 26 Jul | - | - | - | - | - |
| 27 Jul | - | - | - | - | - |
| 28 Jul | - | - | - | - | - |
| 29 Jul | - | - | - | - | - |
| 30 Jul | - | - | - | - | - |
| 31 Jul | - | - | - | - | - |
Past weather West Chicago
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 91.9 ºF | 31 ºF | |
| Average low temperature Av. low temp. | 77.0 ºF | 15 ºF | |
| Total precipitation Total precip. | 0.00 inch | 1.31 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 91.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 91.9 ºF | - | |
| Highest min temperature Highest min temp. | 77.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 77.0 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo West Chicago - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | - | |
| City | West Chicago | |
| Zip Code | 60185 | |
| Longitude | -88.2 dec. degr. | |
| Latitude | 41.88 dec. degr. | |
| Altitude - Elevation | 784ft | |
| ICAO | - | |
| IATA | - |
Date and Time West Chicago - Illinois
| Local Time | 12:24 PM | |
|---|---|---|
| Sunrise | 05:21 AM | |
| Sunset | 08:32 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of West Chicago - Illinois
USGS National Map — Open interactive map
West Chicago weather averages
| Annual high temperature | 60ºF |
| Annual low temperature | 40ºF |
| Average annual precip. | 36.91 inch |
Station Data
Monthly averages West Chicago
Longitude: -88.204, Latitude: 41.8848
Average weather West Chicago, IL - 60185
Monthly: 1991-2020 normals
History: 2015-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...