S
M
T
W
T
F
S
26
78°
55°
27
80°
47°
28
66°
45°
29
65°
42°
30
65°
46°
1
59°
39°
2
65°
48°
3
75°
51°
4
76°
55°
5
67°
50°
6
67°
51°
7
68°
49°
8
70°
52°
9
68°
55°
10
74°
54°
11
67°
58°
12
71°
51°
13
68°
50°
14
69°
51°
15
69°
50°
16
70°
54°
17
76°
59°
18
79°
62°
19
79°
62°
20
80°
63°
21
81°
62°
22
80°
63°
23
81°
63°
24
82°
64°
25
81°
63°
26
79°
60°
27
81°
60°
28
81°
63°
29
82°
64°
30
83°
65°
31
84°
65°
1
84°
66°
2
85°
66°
3
86°
67°
4
86°
67°
5
85°
66°
6
83°
67°
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 59° to 86°, with overnight lows between 39° and 67°. The average high for May is 76° with an average low of 57°. 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.
