S
M
T
W
T
F
S
26
81°
55°
27
82°
55°
28
82°
56°
29
83°
54°
30
81°
58°
31
81°
59°
1
83°
56°
2
82°
55°
3
81°
54°
4
80°
57°
5
82°
56°
6
84°
55°
7
84°
61°
8
86°
53°
9
87°
54°
10
80°
56°
11
79°
56°
12
Hist. Avg.
83°
54°
13
Hist. Avg.
83°
54°
14
Hist. Avg.
83°
54°
15
Hist. Avg.
82°
54°
16
Hist. Avg.
82°
54°
17
Hist. Avg.
82°
54°
18
Hist. Avg.
82°
53°
19
Hist. Avg.
82°
53°
20
Hist. Avg.
82°
53°
21
Hist. Avg.
82°
53°
22
Hist. Avg.
81°
53°
23
Hist. Avg.
81°
53°
24
Hist. Avg.
81°
53°
25
Hist. Avg.
81°
53°
26
Hist. Avg.
81°
53°
27
Hist. Avg.
81°
52°
28
Hist. Avg.
81°
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.
80°
52°
4
Hist. Avg.
80°
52°
5
Hist. Avg.
80°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Willamette
Willamette's August 2026 forecast shows daily high temperatures ranging from 79° to 87°, with overnight lows between 53° and 61°. The average high for August is 82° 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 Willamette. See also: September | October | November.
