S
M
T
W
T
F
S
26
87°
73°
27
86°
74°
28
85°
76°
29
86°
75°
30
87°
75°
1
87°
75°
2
87°
78°
3
87°
80°
4
87°
76°
5
88°
77°
6
89°
77°
7
87°
79°
8
88°
76°
9
87°
77°
10
87°
78°
11
87°
77°
12
87°
77°
13
87°
78°
14
87°
75°
15
88°
77°
16
88°
77°
17
88°
80°
18
87°
79°
19
86°
77°
20
86°
78°
21
86°
78°
22
85°
79°
23
86°
79°
24
87°
77°
25
89°
76°
26
89°
74°
27
88°
75°
28
90°
76°
29
89°
75°
30
90°
76°
31
88°
76°
1
87°
76°
2
87°
75°
3
88°
76°
4
87°
76°
5
87°
75°
6
88°
75°
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 85° to 90°, with overnight lows between 74° and 79°. The average high for May is 88° with an average low of 76°. 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.
