S
M
T
W
T
F
S
26
87°
69°
27
86°
71°
28
85°
70°
29
90°
72°
30
85°
71°
31
90°
73°
1
90°
72°
2
86°
70°
3
84°
68°
4
84°
70°
5
85°
72°
6
85°
72°
7
87°
73°
8
89°
72°
9
86°
71°
10
87°
72°
11
86°
72°
12
83°
71°
13
84°
72°
14
87°
72°
15
89°
71°
16
86°
71°
17
85°
70°
18
87°
71°
19
84°
71°
20
88°
72°
21
87°
71°
22
85°
71°
23
85°
70°
24
82°
70°
25
85°
69°
26
84°
70°
27
84°
70°
28
82°
70°
29
87°
69°
30
88°
69°
31
86°
68°
1
86°
67°
2
85°
66°
3
85°
67°
4
86°
64°
5
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mill Creek
Mill Creek's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 64° and 73°. The average high for August is 86° with an average low of 70°. 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 Mill Creek. See also: September | October | November.
