S
M
T
W
T
F
S
26
73°
45°
27
64°
49°
28
62°
45°
29
56°
27°
30
54°
22°
1
54°
25°
2
63°
30°
3
73°
35°
4
73°
33°
5
55°
30°
6
49°
31°
7
57°
29°
8
65°
38°
9
67°
33°
10
58°
29°
11
58°
35°
12
56°
36°
13
65°
38°
14
69°
41°
15
70°
42°
16
63°
40°
17
66°
39°
18
69°
43°
19
70°
42°
20
63°
37°
21
64°
38°
22
62°
38°
23
63°
40°
24
64°
41°
25
65°
45°
26
67°
41°
27
69°
44°
28
72°
43°
29
73°
47°
30
74°
50°
31
76°
50°
1
71°
45°
2
72°
52°
3
76°
54°
4
77°
53°
5
73°
49°
6
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Columbia
Columbia's May 2026 forecast shows daily high temperatures ranging from 49° to 77°, with overnight lows between 29° and 54°. The average high for May is 67° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Columbia. See also: June | July | August.
