Climate Chicago-O Hare International Airport - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 31 | 35 | 47 | 59 | 70 | 80 |
| Average low in ºF Av. low Lo | 17 | 20 | 29 | 39 | 48 | 58 |
| Av. precipitation in inch Av. precip. Pre. | 1.73 | 1.79 | 2.50 | 3.38 | 3.68 | 3.45 |
| Av. snowfall in inch Snowfall Sn | 11 | 9 | 6 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 84 | 82 | 75 | 62 | 48 | 35 |
| Average low in ºF Av. low Lo | 64 | 63 | 54 | 43 | 32 | 21 |
| Av. precipitation in inch Av. precip. Pre. | 3.70 | 4.90 | 3.21 | 3.15 | 3.15 | 2.25 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 9 |
What is the average weather in Chicago-O Hare International Airport, Illinois?
Chicago-O'Hare International Airport experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters are cold and bring significant snowfall. Precipitation is fairly wet overall, with a strong pattern of wetter summers and drier winters, though moisture is spread relatively evenly throughout the year.
Chicago-O Hare International Airport Climate Graph - Illinois Climate Chart
Climograph Chicago-O Hare International Airport on your website
Daily normals Chicago-O Hare International Airport - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 31.5 | 17.3 | 0.08 | 0.08 | 0.31 | 0.80 |
| 2 Jan | 31.4 | 17.2 | 0.12 | 0.12 | 0.59 | 1.50 |
| 3 Jan | 31.3 | 17.1 | 0.20 | 0.20 | 0.98 | 2.50 |
| 4 Jan | 31.2 | 17.0 | 0.24 | 0.24 | 1.30 | 3.30 |
| 5 Jan | 31.2 | 16.9 | 0.31 | 0.31 | 1.61 | 4.10 |
| 6 Jan | 31.1 | 16.8 | 0.39 | 0.39 | 1.89 | 4.80 |
| 7 Jan | 31.0 | 16.7 | 0.43 | 0.43 | 2.28 | 5.80 |
| 8 Jan | 31.0 | 16.6 | 0.51 | 0.51 | 2.60 | 6.60 |
| 9 Jan | 30.9 | 16.6 | 0.55 | 0.55 | 2.99 | 7.60 |
| 10 Jan | 30.9 | 16.5 | 0.63 | 0.63 | 3.31 | 8.40 |
| 11 Jan | 30.8 | 16.4 | 0.67 | 0.67 | 3.58 | 9.10 |
| 12 Jan | 30.8 | 16.4 | 0.75 | 0.75 | 4.02 | 10.20 |
| 13 Jan | 30.8 | 16.3 | 0.79 | 0.79 | 4.29 | 10.90 |
| 14 Jan | 30.7 | 16.3 | 0.87 | 0.87 | 4.69 | 11.90 |
| 15 Jan | 30.7 | 16.2 | 0.91 | 0.91 | 5.00 | 12.70 |
| 16 Jan | 30.7 | 16.2 | 0.94 | 0.94 | 5.31 | 13.50 |
| 17 Jan | 30.7 | 16.2 | 1.02 | 1.02 | 5.71 | 14.50 |
| 18 Jan | 30.7 | 16.2 | 1.06 | 1.06 | 6.10 | 15.50 |
| 19 Jan | 30.7 | 16.1 | 1.10 | 1.10 | 6.50 | 16.50 |
| 20 Jan | 30.7 | 16.1 | 1.18 | 1.18 | 6.81 | 17.30 |
| 21 Jan | 30.8 | 16.2 | 1.22 | 1.22 | 7.20 | 18.30 |
| 22 Jan | 30.8 | 16.2 | 1.30 | 1.30 | 7.60 | 19.30 |
| 23 Jan | 30.8 | 16.2 | 1.34 | 1.34 | 7.91 | 20.10 |
| 24 Jan | 30.9 | 16.2 | 1.38 | 1.38 | 8.31 | 21.10 |
| 25 Jan | 31.0 | 16.3 | 1.42 | 1.42 | 8.58 | 21.80 |
| 26 Jan | 31.0 | 16.4 | 1.50 | 1.50 | 9.02 | 22.90 |
| 27 Jan | 31.1 | 16.4 | 1.54 | 1.54 | 9.29 | 23.60 |
| 28 Jan | 31.2 | 16.5 | 1.57 | 1.57 | 9.69 | 24.60 |
| 29 Jan | 31.3 | 16.6 | 1.61 | 1.61 | 10.00 | 25.40 |
| 30 Jan | 31.5 | 16.7 | 1.69 | 1.69 | 10.39 | 26.40 |
| 31 Jan | 31.6 | 16.8 | 1.73 | 1.73 | 10.79 | 27.40 |
Weather history Chicago-O Hare International Airport - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 73.0 | 54.0 | 0.21 | 0.00 | 0.0 |
| 02 Jun | 73.9 | 50.0 | 0.00 | 0.00 | 0.0 |
| 03 Jun | 82.9 | 53.1 | 0.00 | 0.00 | 0.0 |
| 04 Jun | 87.1 | 62.1 | 0.00 | 0.00 | 0.0 |
| 05 Jun | 81.0 | 70.0 | 0.09 | 0.00 | 0.0 |
| 06 Jun | 86.0 | 70.0 | 0.03 | 0.00 | 0.0 |
| 07 Jun | 82.9 | 66.0 | T | 0.00 | 0.0 |
| 08 Jun | 84.0 | 64.9 | 0.27 | 0.00 | 0.0 |
| 09 Jun | 88.0 | 69.1 | 0.09 | 0.00 | 0.0 |
| 10 Jun | - | - | - | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | 81.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 13 Jun | 82.9 | 64.9 | 0.45 | 0.00 | 0.0 |
| 14 Jun | 70.0 | 55.9 | 0.18 | 0.00 | 0.0 |
| 15 Jun | - | - | - | - | - |
| 16 Jun | - | - | - | - | - |
| 17 Jun | 70.0 | 55.9 | 0.68 | 0.00 | 0.0 |
| 18 Jun | 73.0 | 62.1 | T | 0.00 | 0.0 |
| 19 Jun | 77.0 | 57.9 | T | 0.00 | 0.0 |
| 20 Jun | 77.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 21 Jun | 71.1 | 57.9 | 0.71 | 0.00 | 0.0 |
| 22 Jun | 73.0 | 57.9 | T | 0.00 | 0.0 |
| 23 Jun | 73.9 | 54.0 | 0.00 | 0.00 | 0.0 |
| 24 Jun | - | - | - | - | - |
| 25 Jun | - | - | - | - | - |
| 26 Jun | - | - | - | - | - |
| 27 Jun | - | - | - | - | - |
| 28 Jun | - | - | - | - | - |
| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Chicago-O Hare International Airport
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 78.3 ºF | 31 ºF | |
| Average low temperature Av. low temp. | 60.4 ºF | 17 ºF | |
| Total precipitation Total precip. | 2.71 inch | 1.73 inch | |
| Total snowfall Total snowfall | 0.00 inch | 11 inch | |
| Highest max temperature Highest max temp. | 88.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 70.0 ºF | - | |
| Highest min temperature Highest min temp. | 70.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 50.0 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Chicago-O Hare International Airport - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | Cook | |
| City | Chicago-O Hare International Airport | |
| Zip Code | 60666 | |
| Longitude | -87.9 dec. degr. | |
| Latitude | 41.98 dec. degr. | |
| Altitude - Elevation | 659ft | |
| ICAO | - | |
| IATA | - |
Date and Time Chicago-O Hare International Airport - Illinois
| Local Time | 06:48 PM | |
|---|---|---|
| Sunrise | 05:16 AM | |
| Sunset | 08:32 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Chicago-O Hare International Airport - Illinois
USGS National Map — Open interactive map
Chicago-O Hare International Airport weather averages
| Annual high temperature | 59ºF |
| Annual low temperature | 41ºF |
| Average annual precip. | 36.89 inch |
| Av. annual snowfall | 37 inch |
Station Data
Monthly averages Chicago-O Hare International Airport
Longitude: -87.9, Latitude: 41.98
Average weather Chicago-O Hare International Airport, IL - 60666
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...