S
M
T
W
T
F
S
26
56°
41°
27
61°
30°
28
63°
25°
29
66°
30°
30
67°
32°
1
60°
31°
2
66°
27°
3
70°
28°
4
66°
42°
5
65°
44°
6
59°
31°
7
70°
21°
8
80°
35°
9
80°
34°
10
77°
29°
11
82°
34°
12
87°
36°
13
85°
40°
14
80°
41°
15
82°
36°
16
82°
39°
17
74°
41°
18
63°
39°
19
70°
31°
20
71°
42°
21
75°
33°
22
74°
34°
23
78°
32°
24
74°
52°
25
69°
45°
26
61°
40°
27
69°
43°
28
77°
42°
29
67°
44°
30
69°
42°
31
69°
44°
1
73°
48°
2
73°
47°
3
72°
48°
4
72°
46°
5
71°
47°
6
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Columbus
Columbus's May 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 40° and 52°. The average high for May is 71° with an average low of 45°. 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 Columbus. See also: June | July | August.