S
M
T
W
T
F
S
26
74°
58°
27
76°
61°
28
78°
61°
29
77°
60°
30
79°
61°
31
80°
62°
1
81°
61°
2
78°
62°
3
81°
62°
4
78°
61°
5
80°
62°
6
80°
61°
7
74°
59°
8
73°
60°
9
77°
61°
10
79°
61°
11
79°
60°
12
74°
61°
13
81°
62°
14
80°
60°
15
76°
59°
16
73°
59°
17
79°
60°
18
73°
60°
19
81°
59°
20
79°
60°
21
80°
55°
22
74°
50°
23
71°
50°
24
73°
51°
25
75°
53°
26
77°
51°
27
76°
57°
28
78°
57°
29
77°
56°
30
76°
57°
31
78°
56°
1
77°
56°
2
77°
47°
3
68°
49°
4
70°
55°
5
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cornucopia
Cornucopia's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 47° and 62°. The average high for August is 77° with an average low of 58°. 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 Cornucopia. See also: September | October | November.