S
M
T
W
T
F
S
26
88°
61°
27
88°
60°
28
87°
61°
29
88°
60°
30
87°
61°
31
86°
61°
1
87°
60°
2
87°
61°
3
88°
61°
4
88°
60°
5
85°
60°
6
83°
58°
7
85°
59°
8
86°
60°
9
86°
60°
10
86°
52°
11
79°
49°
12
77°
50°
13
78°
53°
14
79°
54°
15
82°
53°
16
84°
52°
17
82°
51°
18
78°
49°
19
78°
55°
20
85°
56°
21
85°
56°
22
84°
55°
23
84°
55°
24
83°
54°
25
82°
51°
26
80°
55°
27
81°
54°
28
80°
54°
29
79°
53°
30
80°
52°
31
77°
49°
1
73°
49°
2
74°
50°
3
73°
49°
4
72°
46°
5
71°
46°
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 71° to 88°, with overnight lows between 46° and 61°. The average high for August is 82° with an average low of 55°. 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.