S
M
T
W
T
F
S
26
62°
43°
27
74°
41°
28
73°
52°
29
64°
48°
30
51°
36°
1
52°
33°
2
46°
32°
3
60°
33°
4
73°
47°
5
73°
60°
6
60°
48°
7
62°
37°
8
60°
41°
9
67°
49°
10
64°
46°
11
63°
39°
12
69°
39°
13
69°
47°
14
56°
43°
15
68°
37°
16
72°
46°
17
83°
56°
18
89°
62°
19
87°
67°
20
73°
51°
21
65°
49°
22
65°
52°
23
68°
51°
24
73°
51°
25
78°
59°
26
82°
66°
27
79°
58°
28
77°
51°
29
76°
49°
30
69°
50°
31
71°
50°
1
74°
56°
2
72°
57°
3
74°
60°
4
78°
61°
5
77°
62°
6
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sewickley
Sewickley's May 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 66°. The average high for May is 76° 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 May weather will actually feel in Sewickley. See also: June | July | August.
