S
M
T
W
T
F
S
26
60°
44°
27
68°
51°
28
64°
50°
29
54°
41°
30
50°
43°
1
46°
41°
2
52°
44°
3
61°
51°
4
65°
49°
5
61°
50°
6
58°
44°
7
52°
45°
8
52°
44°
9
58°
48°
10
58°
47°
11
59°
50°
12
64°
48°
13
59°
48°
14
62°
51°
15
59°
48°
16
59°
47°
17
61°
56°
18
68°
55°
19
62°
55°
20
66°
56°
21
69°
56°
22
66°
55°
23
69°
52°
24
62°
50°
25
62°
52°
26
64°
58°
27
68°
56°
28
64°
54°
29
64°
51°
30
66°
50°
31
65°
50°
1
65°
56°
2
74°
55°
3
65°
53°
4
66°
51°
5
66°
52°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
Astronomy-March Weather in Chicago
Chicago's Astronomy-March 2026 forecast shows daily high temperatures ranging from 46° to 74°, with overnight lows between 41° and 58°. The average high for Astronomy-March is 62° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how Astronomy-March weather will actually feel in Chicago. See also: June | July | August.
