When to go
Chicago in October
In October, Chicago averages daytime highs of 15°C and night-time lows of 10°C, with about 99 mm of rain over the month. That makes October the 5th warmest and the 4th wettest month of the year here. The most comfortable months are usually June, July and September.
- Average high
- 15°C
- Average low
- 10°C
- Rainfall
- 99 mm
- Humidity
- 77%
Climate
Chicago weather through the year
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 0 | 0 | 5 | 10 | 15 | 21 | 25 | 25 | 22 | 15 | 9 | 3 |
| Low °C | -5 | -5 | -1 | 4 | 9 | 15 | 20 | 20 | 16 | 10 | 4 | -2 |
| Rain mm | 48 | 54 | 62 | 94 | 117 | 102 | 95 | 105 | 86 | 99 | 61 | 58 |
Where to stay
Popular hotels in Chicago
The Westin Michigan Avenue Chicago
★★★★Hotels5.9 km from centre
8.5
Excellent
The Allegro Royal Sonesta Hotel Chicago Loop
★★★★Hotels4.0 km from centre
8.4
Very good
Hampton Inn Chicago Downtown/Magnificent Mile
★★★Hotels5.5 km from centre
8.2
Very good
Park Hyatt Chicago
★★★★★Hotels5.6 km from centre
9.6
Exceptional
Hyatt Regency Chicago
★★★★Hotels4.8 km from centre
8.7
Excellent
Chicago Marriott Downtown Magnificent Mile
★★★★Hotels5.1 km from centre
8.3
Very good
FAQ
Chicago in October: questions
Is October a good time to visit Chicago?
October is not among the most comfortable months in Chicago; June, July and September are usually better. Expect highs around 15°C and 99 mm of rain (NASA climate averages, 2001–2020).
How hot is Chicago in October?
The average daytime high in Chicago in October is 15°C and the average low is 10°C.
Does it rain in Chicago in October?
Chicago gets about 99 mm of rain in October on average, making it the 4th wettest month. Average humidity is 77%.
How much are hotels in Chicago in October?
Prices depend on dates and availability. Search Chicago for October on book.maqami.co to see live prices; signed-in members save up to 10% versus the guest price.
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