S
M
T
W
T
F
S
26
102°
60°
27
92°
62°
28
96°
64°
29
93°
60°
30
89°
57°
31
94°
50°
1
99°
50°
2
103°
63°
3
80°
53°
4
79°
45°
5
88°
44°
6
94°
50°
7
99°
46°
8
99°
56°
9
98°
52°
10
97°
56°
11
97°
60°
12
88°
57°
13
68°
58°
14
81°
57°
15
78°
53°
16
85°
53°
17
88°
53°
18
79°
56°
19
88°
53°
20
94°
50°
21
99°
57°
22
84°
59°
23
91°
63°
24
91°
58°
25
83°
55°
26
87°
52°
27
92°
52°
28
90°
58°
29
85°
58°
30
79°
59°
31
85°
51°
1
83°
58°
2
85°
57°
3
85°
53°
4
90°
48°
5
91°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Casper
Casper's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Casper. See also: September | October | November.
