S
M
T
W
T
F
S
26
59°
48°
27
59°
50°
28
60°
49°
29
61°
50°
30
64°
51°
31
64°
51°
1
63°
50°
2
60°
50°
3
59°
49°
4
60°
49°
5
59°
50°
6
60°
48°
7
59°
47°
8
58°
47°
9
59°
49°
10
59°
49°
11
60°
50°
12
62°
50°
13
63°
49°
14
62°
48°
15
64°
49°
16
64°
49°
17
63°
47°
18
65°
49°
19
64°
48°
20
64°
50°
21
63°
48°
22
64°
46°
23
61°
50°
24
64°
50°
25
64°
49°
26
63°
50°
27
64°
50°
28
64°
48°
29
60°
46°
30
59°
47°
31
59°
50°
1
62°
52°
2
64°
51°
3
64°
49°
4
59°
50°
5
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Caspar
Caspar's August 2026 forecast shows daily high temperatures ranging from 58° to 65°, with overnight lows between 46° and 52°. The average high for August is 62° with an average low of 49°. 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 Caspar. See also: September | October | November.
