S
M
T
W
T
F
S
28
94°
77°
29
96°
78°
30
96°
78°
1
96°
75°
2
95°
77°
3
96°
76°
4
96°
76°
5
93°
75°
6
93°
73°
7
93°
75°
8
94°
75°
9
95°
77°
10
96°
78°
11
97°
79°
12
94°
74°
13
95°
75°
14
94°
75°
15
99°
76°
16
105°
83°
17
97°
76°
18
97°
76°
19
98°
77°
20
99°
78°
21
99°
78°
22
98°
77°
23
100°
78°
24
100°
78°
25
99°
77°
26
100°
78°
27
100°
78°
28
99°
77°
29
99°
77°
30
100°
78°
31
100°
77°
1
98°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mill Creek
Mill Creek's July 2026 forecast shows daily high temperatures ranging from 93° to 105°, with overnight lows between 73° and 83°. The average high for July is 97° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Mill Creek. See also: August | September | October.