S
M
T
W
T
F
S
26
61°
44°
27
61°
46°
28
65°
46°
29
67°
48°
30
72°
49°
1
69°
46°
2
67°
48°
3
68°
52°
4
73°
49°
5
69°
56°
6
75°
59°
7
76°
58°
8
71°
57°
9
69°
55°
10
69°
50°
11
70°
49°
12
67°
48°
13
68°
50°
14
69°
57°
15
71°
52°
16
72°
57°
17
77°
58°
18
72°
52°
19
70°
51°
20
71°
53°
21
74°
62°
22
78°
63°
23
80°
62°
24
74°
62°
25
79°
64°
26
82°
64°
27
82°
59°
28
74°
56°
29
85°
62°
30
85°
63°
31
83°
58°
1
84°
57°
2
85°
58°
3
81°
59°
4
79°
62°
5
80°
62°
6
83°
65°
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 61° to 85°, with overnight lows between 44° and 65°. The average high for May is 74° with an average low of 55°. 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.
