S
M
T
W
T
F
S
26
86°
57°
27
90°
59°
28
85°
66°
29
88°
60°
30
88°
63°
31
91°
57°
1
81°
64°
2
78°
58°
3
86°
52°
4
93°
50°
5
94°
53°
6
102°
58°
7
100°
64°
8
96°
61°
9
93°
65°
10
90°
64°
11
90°
61°
12
85°
66°
13
92°
61°
14
92°
62°
15
83°
66°
16
89°
67°
17
90°
63°
18
92°
60°
19
95°
64°
20
101°
66°
21
90°
69°
22
83°
62°
23
84°
58°
24
90°
63°
25
92°
64°
26
87°
61°
27
87°
59°
28
83°
57°
29
81°
55°
30
79°
55°
31
77°
58°
1
79°
55°
2
74°
54°
3
89°
61°
4
85°
58°
5
86°
58°
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 74° to 101°, with overnight lows between 54° and 69°. The average high for August is 85° 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.
