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
94°
49°
11
95°
48°
12
90°
56°
13
79°
54°
14
72°
52°
15
71°
48°
16
79°
45°
17
85°
52°
18
89°
57°
19
91°
45°
20
96°
50°
21
96°
56°
22
87°
59°
23
88°
54°
24
88°
44°
25
89°
55°
26
87°
53°
27
91°
51°
28
80°
58°
29
83°
51°
30
78°
45°
31
83°
37°
1
84°
46°
2
76°
45°
3
70°
49°
4
70°
48°
5
77°
46°
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 ° 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 Challis. See also: September | October | November.
