S
M
T
W
T
F
S
26
83°
63°
27
83°
66°
28
82°
66°
29
79°
62°
30
83°
57°
31
85°
62°
1
78°
68°
2
73°
63°
3
79°
60°
4
82°
55°
5
83°
59°
6
84°
67°
7
84°
68°
8
88°
67°
9
87°
70°
10
86°
67°
11
79°
69°
12
83°
66°
13
81°
65°
14
78°
61°
15
77°
61°
16
79°
59°
17
78°
58°
18
79°
60°
19
82°
62°
20
78°
62°
21
78°
58°
22
77°
61°
23
85°
66°
24
77°
60°
25
77°
61°
26
81°
64°
27
82°
65°
28
84°
63°
29
77°
60°
30
76°
58°
31
75°
59°
1
76°
63°
2
78°
63°
3
82°
64°
4
82°
63°
5
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Columbus Grove
Columbus Grove's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 58° and 70°. The average high for August is 80° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Columbus Grove. See also: September | October | November.
