S
M
T
W
T
F
S
28
81°
67°
29
87°
66°
30
93°
76°
1
98°
76°
2
99°
76°
3
98°
73°
4
89°
71°
5
90°
68°
6
87°
69°
7
88°
69°
8
87°
67°
9
88°
69°
10
84°
67°
11
86°
67°
12
84°
68°
13
86°
64°
14
77°
60°
15
78°
60°
16
79°
61°
17
80°
62°
18
80°
65°
19
81°
67°
20
84°
68°
21
84°
68°
22
82°
67°
23
81°
68°
24
83°
67°
25
86°
68°
26
87°
69°
27
86°
69°
28
85°
68°
29
82°
64°
30
80°
61°
31
78°
61°
1
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sewickley
Sewickley's July 2026 forecast shows daily high temperatures ranging from 77° to 99°, with overnight lows between 60° and 76°. The average high for July is 85° with an average low of 67°. 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 Sewickley. See also: August | September | October.