S
M
T
W
T
F
S
26
63°
48°
27
64°
48°
28
61°
48°
29
61°
39°
30
57°
34°
1
52°
39°
2
54°
30°
3
59°
37°
4
75°
45°
5
55°
48°
6
57°
43°
7
61°
37°
8
61°
46°
9
73°
50°
10
66°
46°
11
70°
39°
12
79°
39°
13
61°
41°
14
66°
37°
15
68°
45°
16
79°
59°
17
84°
59°
18
84°
64°
19
82°
64°
20
66°
54°
21
68°
50°
22
72°
52°
23
70°
55°
24
72°
55°
25
79°
48°
26
79°
54°
27
N/A
28
82°
52°
29
79°
57°
30
79°
51°
31
77°
52°
1
78°
51°
2
80°
52°
3
78°
56°
4
80°
61°
5
80°
58°
6
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Lockport
Lockport's May 2026 forecast shows daily high temperatures ranging from 77° to 82°, with overnight lows between 51° and 61°. The average high for May is 79° with an average low of 55°. 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.
