04.10
sun
sun
Day
70°F
SE 7 mph
Precip.
2%
2%
Night
61°F
SE 7 mph
Precip.
3%
3%
05.10
mon
mon
Day
63°F
S 7 mph
Precip.
2%
2%
Night
57°F
NW 9 mph
Precip.
4%
4%
06.10
tue
tue
Day
66°F
N 11 mph
Precip.
2%
2%
Night
66°F
NE 13 mph
Precip.
1%
1%
07.10
wed
wed
Day
72°F
E 10 mph
Precip.
5%
5%
Night
64°F
SE 10 mph
Precip.
6%
6%
08.10
thu
thu
Day
64°F
S 7 mph
Precip.
1%
1%
Night
63°F
E 6 mph
Precip.
11%
11%
09.10
fri
fri
Day
66°F
S 6 mph
Precip.
11%
11%
Night
57°F
W 11 mph
Precip.
7%
7%
10.10
sat
sat
Day
63°F
NW 12 mph
Precip.
2%
2%
Night
64°F
N 14 mph
Precip.
3%
3%
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 54.1°F. The highest and lowest sea temperatures during the month were 62.2°F and 35.2°F.
Air temperature in Chicago, °F
Precipitation total in Chicago, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Chicago
Chicago on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chicago
Local time: 22:04
October 05, monday
0000
61°F
SE
7 mph
7 mph
0300
59°F
SE
7 mph
7 mph
0600
57°F
SE
7 mph
7 mph
0900
59°F
S
9 mph
9 mph
1200
63°F
S
7 mph
7 mph
1500
63°F
SW
9 mph
9 mph
1800
61°F
SW
8 mph
8 mph
2100
59°F
W
8 mph
8 mph
