S
M
T
W
T
F
S
26
51°
37°
27
49°
39°
28
58°
33°
29
63°
36°
30
62°
37°
1
64°
37°
2
69°
38°
3
73°
41°
4
67°
48°
5
64°
42°
6
63°
38°
7
73°
36°
8
78°
45°
9
77°
46°
10
76°
46°
11
84°
44°
12
90°
52°
13
82°
53°
14
79°
50°
15
81°
44°
16
75°
45°
17
63°
39°
18
50°
37°
19
59°
36°
20
66°
36°
21
72°
38°
22
69°
44°
23
78°
43°
24
82°
52°
25
81°
52°
26
64°
54°
27
79°
55°
28
80°
54°
29
75°
43°
30
70°
48°
31
76°
49°
1
81°
51°
2
84°
54°
3
84°
56°
4
85°
58°
5
82°
54°
6
80°
53°
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 64° to 85°, with overnight lows between 43° and 58°. The average high for May is 78° with an average low of 52°. 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.
