S
M
T
W
T
F
S
26
84°
51°
27
85°
55°
28
87°
56°
29
86°
52°
30
87°
51°
31
88°
52°
1
87°
51°
2
87°
53°
3
92°
54°
4
93°
56°
5
92°
54°
6
86°
52°
7
82°
54°
8
81°
52°
9
81°
52°
10
82°
53°
11
87°
55°
12
88°
56°
13
87°
56°
14
87°
55°
15
86°
55°
16
85°
50°
17
80°
48°
18
79°
47°
19
81°
47°
20
80°
49°
21
79°
50°
22
80°
47°
23
81°
50°
24
86°
54°
25
81°
52°
26
83°
52°
27
83°
53°
28
81°
53°
29
79°
50°
30
79°
50°
31
85°
53°
1
86°
53°
2
85°
52°
3
86°
53°
4
86°
52°
5
86°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yoncalla
Yoncalla's August 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 47° and 56°. The average high for August is 84° with an average low of 52°. 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 Yoncalla. See also: September | October | November.
