S
M
T
W
T
F
S
26
93°
63°
27
93°
63°
28
92°
62°
29
90°
63°
30
88°
63°
31
92°
64°
1
92°
62°
2
93°
63°
3
93°
63°
4
94°
62°
5
93°
63°
6
93°
64°
7
92°
64°
8
94°
63°
9
85°
58°
10
82°
57°
11
82°
56°
12
83°
56°
13
83°
60°
14
87°
61°
15
91°
61°
16
88°
60°
17
82°
50°
18
85°
53°
19
91°
58°
20
92°
56°
21
87°
57°
22
90°
58°
23
92°
54°
24
81°
58°
25
83°
53°
26
80°
46°
27
79°
48°
28
79°
48°
29
78°
47°
30
77°
47°
31
79°
49°
1
80°
53°
2
85°
55°
3
89°
56°
4
88°
50°
5
78°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Zillah
Zillah's August 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 46° and 64°. The average high for August is 87° with an average low of 57°. 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 Zillah. See also: September | October | November.
