S
M
T
W
T
F
S
26
90°
50°
27
91°
52°
28
88°
53°
29
86°
48°
30
91°
57°
31
94°
54°
1
85°
54°
2
79°
49°
3
81°
48°
4
87°
47°
5
92°
49°
6
97°
53°
7
101°
56°
8
97°
58°
9
93°
54°
10
94°
59°
11
92°
60°
12
89°
61°
13
87°
59°
14
90°
61°
15
92°
57°
16
92°
60°
17
90°
58°
18
87°
56°
19
82°
55°
20
86°
57°
21
88°
59°
22
92°
58°
23
93°
60°
24
89°
52°
25
91°
56°
26
90°
57°
27
90°
56°
28
89°
54°
29
88°
53°
30
83°
52°
31
84°
54°
1
86°
54°
2
79°
51°
3
83°
53°
4
87°
53°
5
88°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yakima
Yakima's August 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 51° and 61°. The average high for August is 88° with an average low of 56°. 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 Yakima. See also: September | October | November.
