S
M
T
W
T
F
S
26
82°
50°
27
87°
55°
28
83°
56°
29
86°
52°
30
87°
51°
31
88°
52°
1
87°
51°
2
93°
53°
3
92°
54°
4
95°
56°
5
93°
54°
6
92°
55°
7
86°
54°
8
81°
52°
9
81°
52°
10
83°
51°
11
86°
55°
12
84°
55°
13
89°
54°
14
83°
49°
15
80°
50°
16
83°
49°
17
83°
52°
18
84°
51°
19
85°
53°
20
86°
54°
21
82°
49°
22
79°
49°
23
80°
47°
24
79°
49°
25
82°
50°
26
79°
49°
27
79°
52°
28
80°
52°
29
80°
53°
30
78°
52°
31
79°
52°
1
85°
51°
2
81°
52°
3
80°
52°
4
78°
48°
5
77°
47°
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 77° to 95°, 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.
