S
M
T
W
T
F
S
26
82°
53°
27
75°
52°
28
76°
53°
29
77°
52°
30
76°
51°
31
78°
51°
1
76°
53°
2
80°
57°
3
82°
58°
4
82°
57°
5
78°
56°
6
82°
58°
7
80°
58°
8
82°
57°
9
81°
58°
10
82°
59°
11
83°
57°
12
80°
53°
13
81°
52°
14
80°
54°
15
76°
57°
16
79°
56°
17
Hist. Avg.
81°
54°
18
Hist. Avg.
81°
54°
19
Hist. Avg.
81°
54°
20
Hist. Avg.
80°
53°
21
Hist. Avg.
80°
53°
22
Hist. Avg.
80°
53°
23
Hist. Avg.
80°
53°
24
Hist. Avg.
80°
52°
25
Hist. Avg.
80°
52°
26
Hist. Avg.
80°
52°
27
Hist. Avg.
79°
52°
28
Hist. Avg.
79°
52°
29
Hist. Avg.
79°
51°
30
Hist. Avg.
79°
51°
31
Hist. Avg.
78°
51°
1
Hist. Avg.
78°
50°
2
Hist. Avg.
78°
50°
3
Hist. Avg.
78°
50°
4
Hist. Avg.
77°
50°
5
Hist. Avg.
77°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Cornish
Cornish's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 51° and 59°. The average high for August is 79° 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 August weather will actually feel in Cornish. See also: September | October | November.
