S
M
T
W
T
F
S
26
61°
40°
27
74°
41°
28
64°
53°
29
53°
43°
30
49°
38°
1
48°
34°
2
49°
34°
3
53°
45°
4
60°
52°
5
59°
44°
6
53°
41°
7
50°
37°
8
52°
40°
9
53°
42°
10
54°
44°
11
55°
45°
12
58°
47°
13
60°
46°
14
63°
46°
15
63°
45°
16
62°
46°
17
63°
49°
18
66°
53°
19
69°
53°
20
69°
52°
21
72°
54°
22
69°
51°
23
67°
54°
24
71°
49°
25
65°
47°
26
67°
55°
27
67°
56°
28
73°
56°
29
71°
56°
30
69°
53°
31
71°
49°
1
67°
50°
2
66°
50°
3
68°
51°
4
68°
51°
5
69°
52°
6
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lockport
Lockport's May 2026 forecast shows daily high temperatures ranging from 48° to 73°, with overnight lows between 34° and 56°. The average high for May is 63° with an average low of 48°. 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 Lockport. See also: June | July | August.
