S
M
T
W
T
F
S
26
79°
58°
27
79°
58°
28
78°
57°
29
80°
57°
30
84°
58°
31
86°
59°
1
82°
56°
2
80°
58°
3
86°
61°
4
89°
60°
5
89°
59°
6
84°
58°
7
81°
57°
8
78°
57°
9
77°
58°
10
80°
56°
11
84°
60°
12
83°
61°
13
86°
61°
14
80°
56°
15
77°
55°
16
81°
55°
17
81°
59°
18
80°
57°
19
82°
59°
20
84°
59°
21
81°
56°
22
76°
54°
23
79°
53°
24
78°
56°
25
82°
57°
26
76°
55°
27
78°
57°
28
80°
58°
29
82°
60°
30
76°
60°
31
77°
59°
1
83°
60°
2
81°
59°
3
78°
58°
4
77°
55°
5
74°
55°
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 74° to 89°, with overnight lows between 53° and 61°. The average high for August is 81° with an average low of 58°. 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.
