17.03
tue
tue
Day
21°F
SE 9 mph
Precip.
0%
0%
Night
27°F
N 11 mph
Precip.
0%
0%
18.03
wed
wed
Day
36°F
N 10 mph
Precip.
0%
0%
Night
37°F
E 6 mph
Precip.
0%
0%
19.03
thu
thu
Day
43°F
NW 6 mph
Precip.
0%
0%
Night
43°F
N 5 mph
Precip.
0%
0%
20.03
fri
fri
Day
45°F
NE 3 mph
Precip.
0%
0%
Night
41°F
W 5 mph
Precip.
100%
100%
21.03
sat
sat
Day
52°F
E 2 mph
Precip.
0%
0%
Night
57°F
NE 12 mph
Precip.
0%
0%
22.03
sun
sun
Day
43°F
S 16 mph
Precip.
0%
0%
Night
34°F
S 17 mph
Precip.
0%
0%
23.03
mon
mon
Day
34°F
SW 12 mph
Precip.
0%
0%
Night
36°F
NW 11 mph
Precip.
0%
0%
24.03
tue
tue
Day
39°F
NW 9 mph
Precip.
100%
100%
Night
39°F
NW 8 mph
Precip.
100%
100%
25.03
wed
wed
Day
43°F
NW 2 mph
Precip.
100%
100%
Night
52°F
N 13 mph
Precip.
100%
100%
26.03
thu
thu
Day
50°F
E 15 mph
Precip.
100%
100%
Night
41°F
NE 7 mph
Precip.
0%
0%
27.03
fri
fri
Day
41°F
NW 11 mph
Precip.
0%
0%
Night
36°F
SW 11 mph
Precip.
0%
0%
28.03
sat
sat
Day
34°F
SW 8 mph
Precip.
41%
41%
Night
32°F
NE 8 mph
Precip.
0%
0%
29.03
sun
sun
Day
37°F
SE 11 mph
Precip.
0%
0%
Night
39°F
NW 2 mph
Precip.
0%
0%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 36.1°F. The highest and lowest sea temperatures during the month were 38.5°F and 33.1°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: 01:03
March 17, tuesday
0300
18°F
SE
16 mph
16 mph
0600
14°F
SE
16 mph
16 mph
0900
16°F
SE
12 mph
12 mph
1200
21°F
SE
9 mph
9 mph
1500
25°F
E
8 mph
8 mph
1800
27°F
NE
9 mph
9 mph
2100
27°F
NE
11 mph
11 mph
March 18, wednesday
0000
27°F
N
11 mph
11 mph
