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Happy Valley, OR

65°F
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Happy Valley, OR Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Mostly sunny
82°
53°
27
Mostly sunny
83°
54°
28
Plenty of sun
84°
57°
29
Mostly sunny
82°
61°
30
Sunny to partly cloudy
83°
52°
31
Partly sunny
78°
53°
1
Mostly sunny
78°
52°
2
Partly sunny
77°
56°
3
Clouds and sun
78°
52°
4
A couple of morning showers
78°
58°
5
Partial sunshine
79°
56°
6
Some sun with a brief shower
82°
52°
7
Partly sunny
80°
54°
8
Plenty of sun
82°
53°
9
Plenty of sunshine
83°
55°
10
Plenty of sunshine
81°
57°
11
More sun than clouds
79°
61°
12
Cloudy with a little rain
75°
53°
13
Increasing amounts of sun
78°
56°
14
Sunshine
82°
59°
15
Partial sunshine
79°
60°
16
Clouds and sun
78°
61°
17
A morning shower, then rain
76°
57°
18
A couple of morning showers
77°
52°
19
Times of clouds and sun
77°
53°
20
Partly sunny
79°
61°
21
Times of clouds and sun
78°
56°
22
Partly sunny
77°
53°
23
Sunny
84°
59°
24
Increasing clouds
79°
55°
25
Hist. Avg.
81°
53°
26
Hist. Avg.
81°
53°
27
Hist. Avg.
81°
52°
28
Hist. Avg.
80°
52°
29
Hist. Avg.
80°
52°
30
Hist. Avg.
80°
52°
31
Hist. Avg.
80°
52°
1
Hist. Avg.
80°
52°
2
Hist. Avg.
80°
52°
3
Hist. Avg.
79°
52°
4
Hist. Avg.
79°
51°
5
Hist. Avg.
79°
51°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 *25 *26 *27 *28 *29 *30 *31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable

August Weather in Happy Valley

Happy Valley's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 52° and 61°. The average high for August is 80° 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 Happy Valley. See also: September | October | November.

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Weather Near Happy Valley:

  • Portland, OR
  • Salem, OR
  • Vancouver, WA
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