S
M
T
W
T
F
S
26
84°
57°
27
86°
59°
28
85°
60°
29
86°
59°
30
87°
60°
31
87°
59°
1
86°
60°
2
88°
60°
3
88°
59°
4
87°
61°
5
87°
60°
6
86°
60°
7
87°
59°
8
86°
60°
9
86°
60°
10
86°
59°
11
86°
59°
12
85°
58°
13
84°
59°
14
87°
53°
15
85°
54°
16
84°
53°
17
79°
55°
18
84°
56°
19
80°
54°
20
77°
54°
21
78°
53°
22
83°
57°
23
85°
56°
24
83°
56°
25
83°
57°
26
82°
56°
27
83°
54°
28
80°
53°
29
77°
51°
30
74°
53°
31
77°
50°
1
79°
50°
2
81°
53°
3
81°
52°
4
80°
44°
5
73°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rock Springs
Rock Springs's August 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 44° and 61°. The average high for August is 83° with an average low of 56°. 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 Rock Springs. See also: September | October | November.