S
M
T
W
T
F
S
26
71°
41°
27
73°
41°
28
74°
42°
29
73°
41°
30
73°
40°
31
72°
42°
1
73°
43°
2
76°
50°
3
78°
44°
4
74°
41°
5
73°
48°
6
73°
42°
7
72°
43°
8
73°
46°
9
73°
48°
10
74°
40°
11
72°
40°
12
71°
38°
13
70°
40°
14
71°
39°
15
72°
38°
16
70°
39°
17
71°
43°
18
73°
38°
19
70°
37°
20
77°
45°
21
78°
46°
22
Hist. Avg.
82°
47°
23
Hist. Avg.
82°
46°
24
Hist. Avg.
82°
46°
25
Hist. Avg.
81°
46°
26
Hist. Avg.
81°
46°
27
Hist. Avg.
81°
46°
28
Hist. Avg.
81°
45°
29
Hist. Avg.
80°
45°
30
Hist. Avg.
80°
45°
31
Hist. Avg.
80°
45°
1
Hist. Avg.
80°
45°
2
Hist. Avg.
80°
44°
3
Hist. Avg.
79°
44°
4
Hist. Avg.
79°
44°
5
Hist. Avg.
79°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Willamette Pass
Willamette Pass's August 2026 forecast shows daily high temperatures ranging from 70° to 78°, with overnight lows between 37° and 50°. The average high for August is 73° with an average low of 42°. 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 Willamette Pass. See also: September | October | November.
