S
M
T
W
T
F
S
26
97°
56°
27
94°
52°
28
95°
53°
29
91°
52°
30
91°
54°
31
94°
52°
1
100°
55°
2
91°
55°
3
81°
52°
4
85°
46°
5
88°
45°
6
96°
50°
7
98°
50°
8
96°
52°
9
95°
50°
10
95°
51°
11
94°
53°
12
88°
52°
13
76°
53°
14
75°
50°
15
83°
54°
16
82°
53°
17
81°
52°
18
86°
54°
19
85°
53°
20
84°
54°
21
85°
52°
22
87°
52°
23
83°
48°
24
83°
53°
25
86°
54°
26
86°
54°
27
80°
53°
28
75°
53°
29
79°
52°
30
73°
49°
31
74°
50°
1
74°
49°
2
73°
46°
3
71°
45°
4
72°
40°
5
72°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Challis
Challis's August 2026 forecast shows daily high temperatures ranging from 71° to 95°, with overnight lows between 40° and 54°. The average high for August is 81° with an average low of 51°. 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 Challis. See also: September | October | November.
