Weather in Chicago in October
In an average October, Chicago sees a daily high around 62°F and a low around 47°F, based on 1980–2026 of local climate records.
| Average high | 62°F |
|---|---|
| Typical high range | 52°F to 74°F |
| Average low | 47°F |
| Typical low range | 37°F to 58°F |
| Average daily precipitation | 0.10 in |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
87°F
2007-10-07
Lowest
37°F
2023-10-31
Low
Highest
72°F
2019-10-01
Lowest
24°F
1981-10-24
Feels-like
Highest
96°F
2007-10-07
Lowest
11°F
1981-10-24
Humidity
Highest
17.5 g/m³
2019-10-01
Lowest
2.6 g/m³
1996-10-31
Wind
Highest
31 mph
2014-10-31
Lowest
4 mph
2019-10-25
Gust
Highest
56 mph
2014-10-31
Lowest
9 mph
1989-10-13
Precip
Wettest
7.77 in
2019
Driest
1.23 in
2005
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