S
M
T
W
T
F
S
26
97°
76°
27
97°
76°
28
96°
75°
29
97°
77°
30
98°
77°
31
98°
76°
1
97°
76°
2
98°
77°
3
98°
78°
4
99°
77°
5
99°
77°
6
98°
76°
7
99°
78°
8
99°
77°
9
98°
76°
10
98°
76°
11
97°
77°
12
98°
77°
13
98°
76°
14
97°
77°
15
98°
76°
16
98°
74°
17
95°
71°
18
95°
70°
19
94°
71°
20
93°
70°
21
91°
72°
22
90°
71°
23
90°
67°
24
91°
67°
25
90°
68°
26
89°
66°
27
89°
65°
28
90°
64°
29
89°
65°
30
92°
65°
31
94°
71°
1
94°
69°
2
93°
68°
3
94°
70°
4
94°
71°
5
93°
71°
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 89° to 99°, with overnight lows between 64° and 78°. The average high for August is 95° with an average low of 73°. 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.
