S
M
T
W
T
F
S
26
53°
29°
27
50°
34°
28
42°
30°
29
42°
31°
30
45°
31°
1
58°
29°
2
66°
40°
3
72°
40°
4
48°
30°
5
39°
28°
6
45°
29°
7
54°
28°
8
58°
39°
9
51°
36°
10
51°
35°
11
63°
34°
12
65°
45°
13
78°
43°
14
80°
57°
15
66°
42°
16
50°
34°
17
51°
33°
18
39°
32°
19
47°
32°
20
66°
34°
21
70°
47°
22
72°
49°
23
57°
47°
24
77°
57°
25
84°
51°
26
84°
52°
27
84°
60°
28
84°
58°
29
81°
58°
30
80°
56°
31
79°
58°
1
77°
56°
2
76°
56°
3
73°
53°
4
74°
54°
5
71°
46°
6
70°
50°
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 57° to 84°, with overnight lows between 46° and 60°. The average high for May is 77° with an average low of 54°. 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.
