S
M
T
W
T
F
S
26
74°
57°
27
73°
56°
28
70°
57°
29
69°
55°
30
70°
56°
31
72°
56°
1
73°
55°
2
74°
56°
3
75°
57°
4
76°
57°
5
78°
56°
6
77°
57°
7
75°
56°
8
77°
56°
9
77°
57°
10
78°
57°
11
78°
56°
12
77°
57°
13
76°
56°
14
73°
50°
15
68°
50°
16
67°
46°
17
69°
47°
18
68°
41°
19
67°
47°
20
69°
56°
21
67°
49°
22
68°
50°
23
75°
55°
24
77°
54°
25
70°
48°
26
74°
49°
27
73°
48°
28
71°
48°
29
65°
49°
30
64°
49°
31
65°
44°
1
63°
42°
2
64°
43°
3
71°
52°
4
73°
50°
5
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rose Valley
Rose Valley's August 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 41° and 57°. The average high for August is 72° with an average low of 52°. 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 Rose Valley. See also: September | October | November.