S
M
T
W
T
F
S
26
81°
62°
27
84°
54°
28
81°
60°
29
82°
60°
30
82°
58°
31
90°
53°
1
77°
61°
2
76°
53°
3
86°
50°
4
90°
50°
5
90°
53°
6
96°
56°
7
92°
55°
8
90°
55°
9
85°
58°
10
82°
58°
11
84°
57°
12
81°
63°
13
83°
60°
14
81°
62°
15
73°
62°
16
81°
54°
17
85°
58°
18
85°
54°
19
81°
57°
20
82°
60°
21
79°
51°
22
73°
49°
23
79°
50°
24
81°
48°
25
78°
49°
26
78°
48°
27
78°
48°
28
79°
49°
29
78°
47°
30
76°
44°
31
81°
52°
1
82°
52°
2
81°
51°
3
81°
52°
4
80°
51°
5
81°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yacolt
Yacolt's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 44° and 60°. The average high for August is 80° with an average low of 51°. 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 Yacolt. See also: September | October | November.