S
M
T
W
T
F
S
26
82°
64°
27
83°
65°
28
83°
65°
29
82°
64°
30
83°
66°
31
84°
65°
1
83°
66°
2
86°
67°
3
88°
67°
4
87°
66°
5
88°
67°
6
88°
67°
7
87°
66°
8
87°
66°
9
82°
62°
10
82°
64°
11
83°
64°
12
85°
66°
13
87°
66°
14
87°
66°
15
86°
65°
16
83°
66°
17
87°
61°
18
88°
60°
19
88°
60°
20
87°
61°
21
88°
64°
22
87°
65°
23
87°
65°
24
85°
64°
25
82°
60°
26
81°
61°
27
81°
59°
28
82°
59°
29
81°
60°
30
81°
59°
31
82°
58°
1
83°
59°
2
83°
60°
3
81°
63°
4
85°
57°
5
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Happy Valley
Happy Valley's August 2026 forecast shows daily high temperatures ranging from 81° to 88°, with overnight lows between 57° and 67°. The average high for August is 84° with an average low of 63°. 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 Happy Valley. See also: September | October | November.
