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Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Chicago-O'Hare Intl Airport, IL
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October
Average Temperature
High
17°
Feels 16
Low
7°
Feels 6
Average Precipitation
10 Days
Rain amount
62.1mm
Snow amount
0.4cm
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Daily Historical Averages
October 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
15°
19
17°
20
17°
21
19°
22
19°
23
17°
24
17°
25
18°
26
18°
27
16°
28
15°
29
16°
30
15°
31
15°
Forecast
Sunday, October 18, 2026
Day
15°
Feels 14
Wind
23 km/h SW
Gust
35 km/h
Humidity
47%
P.O.P
0%
Night
6°
Feels 3
Wind
15 km/h S
Gust
23 km/h
Humidity
81%
P.O.P
0%
Historical Averages
Oct 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.