S
M
T
W
T
F
S
26
93°
64°
27
94°
66°
28
93°
65°
29
89°
65°
30
89°
64°
31
93°
67°
1
94°
66°
2
93°
67°
3
94°
67°
4
93°
66°
5
94°
67°
6
94°
68°
7
95°
68°
8
94°
66°
9
84°
61°
10
83°
60°
11
83°
59°
12
84°
59°
13
83°
62°
14
88°
64°
15
90°
62°
16
86°
62°
17
83°
55°
18
86°
55°
19
89°
58°
20
91°
60°
21
87°
59°
22
90°
61°
23
91°
59°
24
81°
62°
25
86°
57°
26
81°
51°
27
80°
53°
28
80°
53°
29
79°
54°
30
78°
51°
31
80°
56°
1
82°
58°
2
87°
58°
3
90°
60°
4
88°
51°
5
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in The Dalles
The Dalles's August 2026 forecast shows daily high temperatures ranging from 78° to 95°, with overnight lows between 51° and 68°. The average high for August is 87° with an average low of 60°. 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 The Dalles. See also: September | October | November.
