S
M
T
W
T
F
S
26
65°
44°
27
66°
51°
28
62°
49°
29
58°
38°
30
59°
35°
1
52°
36°
2
56°
41°
3
62°
47°
4
74°
49°
5
55°
41°
6
55°
39°
7
54°
39°
8
62°
45°
9
64°
47°
10
66°
50°
11
64°
51°
12
68°
48°
13
64°
49°
14
66°
40°
15
65°
48°
16
65°
47°
17
67°
56°
18
74°
55°
19
68°
55°
20
72°
56°
21
75°
56°
22
72°
57°
23
76°
52°
24
68°
51°
25
68°
53°
26
70°
59°
27
74°
57°
28
70°
55°
29
71°
52°
30
73°
51°
31
71°
51°
1
71°
57°
2
81°
56°
3
71°
54°
4
72°
52°
5
72°
53°
6
73°
53°
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 52° to 81°, with overnight lows between 36° and 59°. The average high for May is 68° with an average low of 50°. 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.
