S
M
T
W
T
F
S
26
78°
50°
27
83°
50°
28
79°
47°
29
84°
50°
30
85°
51°
31
80°
50°
1
77°
46°
2
76°
46°
3
78°
48°
4
77°
47°
5
78°
49°
6
77°
49°
7
76°
47°
8
77°
45°
9
78°
44°
10
78°
46°
11
79°
48°
12
79°
49°
13
77°
45°
14
77°
48°
15
75°
47°
16
76°
44°
17
77°
50°
18
79°
47°
19
81°
46°
20
81°
46°
21
78°
49°
22
82°
49°
23
80°
48°
24
79°
49°
25
81°
50°
26
80°
49°
27
77°
49°
28
75°
48°
29
75°
44°
30
76°
43°
31
77°
41°
1
79°
42°
2
80°
41°
3
80°
46°
4
76°
41°
5
79°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Aspen
Aspen's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 41° and 51°. The average high for August is 78° with an average low of 47°. 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 Aspen. See also: September | October | November.
