S
M
T
W
T
F
S
26
77°
56°
27
83°
60°
28
84°
60°
29
86°
58°
30
78°
55°
31
80°
54°
1
77°
55°
2
77°
55°
3
78°
53°
4
77°
55°
5
78°
58°
6
78°
61°
7
77°
63°
8
82°
57°
9
80°
60°
10
82°
57°
11
81°
63°
12
81°
56°
13
85°
51°
14
76°
61°
15
78°
61°
16
79°
55°
17
78°
52°
18
76°
54°
19
75°
53°
20
78°
53°
21
75°
52°
22
75°
54°
23
77°
53°
24
78°
51°
25
73°
59°
26
74°
55°
27
76°
58°
28
73°
50°
29
73°
53°
30
75°
50°
31
74°
49°
1
72°
55°
2
72°
49°
3
73°
48°
4
72°
56°
5
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cosmos
Cosmos's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 48° and 63°. The average high for August is 77° 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 Cosmos. See also: September | October | November.
