S
M
T
W
T
F
S
26
80°
53°
27
80°
53°
28
83°
52°
29
80°
48°
30
82°
52°
31
83°
53°
1
81°
52°
2
81°
52°
3
82°
48°
4
74°
46°
5
74°
47°
6
75°
45°
7
78°
49°
8
82°
50°
9
82°
49°
10
82°
49°
11
79°
46°
12
75°
45°
13
75°
46°
14
75°
44°
15
75°
45°
16
77°
51°
17
81°
52°
18
85°
53°
19
84°
52°
20
83°
44°
21
79°
53°
22
83°
53°
23
84°
45°
24
75°
47°
25
78°
44°
26
75°
46°
27
78°
43°
28
76°
47°
29
76°
43°
30
73°
43°
31
75°
47°
1
80°
52°
2
83°
53°
3
82°
51°
4
72°
42°
5
73°
42°
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 72° to 85°, with overnight lows between 42° and 53°. The average high for August is 79° with an average low of 48°. 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.