S
M
T
W
T
F
S
26
82°
75°
27
84°
75°
28
82°
75°
29
84°
73°
30
84°
72°
1
74°
62°
2
73°
53°
3
75°
52°
4
75°
54°
5
81°
63°
6
84°
75°
7
79°
72°
8
84°
68°
9
79°
66°
10
81°
66°
11
76°
69°
12
82°
68°
13
84°
66°
14
88°
64°
15
86°
66°
16
82°
70°
17
84°
75°
18
86°
73°
19
86°
75°
20
84°
73°
21
81°
72°
22
88°
77°
23
85°
73°
24
81°
71°
25
80°
72°
26
83°
73°
27
85°
72°
28
82°
72°
29
83°
71°
30
85°
70°
31
86°
71°
1
84°
71°
2
84°
73°
3
86°
70°
4
85°
72°
5
88°
71°
6
84°
74°
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 80° to 88°, with overnight lows between 70° and 74°. The average high for May is 84° with an average low of 72°. 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.
