S
M
T
W
T
F
S
26
59°
46°
27
74°
43°
28
63°
48°
29
60°
45°
30
56°
42°
1
50°
37°
2
47°
32°
3
60°
35°
4
74°
49°
5
66°
44°
6
56°
43°
7
58°
38°
8
62°
43°
9
72°
53°
10
63°
47°
11
67°
37°
12
71°
40°
13
58°
42°
14
65°
41°
15
69°
54°
16
76°
62°
17
82°
65°
18
85°
66°
19
77°
59°
20
67°
48°
21
68°
51°
22
72°
49°
23
72°
52°
24
73°
54°
25
76°
57°
26
80°
54°
27
73°
60°
28
78°
61°
29
78°
60°
30
76°
56°
31
70°
53°
1
71°
52°
2
71°
52°
3
72°
53°
4
72°
57°
5
80°
62°
6
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Columbus Grove
Columbus Grove's May 2026 forecast shows daily high temperatures ranging from 58° to 85°, with overnight lows between 41° and 66°. 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 Columbus Grove. See also: June | July | August.
