S
M
T
W
T
F
S
26
64°
53°
27
67°
50°
28
71°
51°
29
76°
52°
30
79°
54°
1
83°
53°
2
75°
53°
3
71°
53°
4
68°
53°
5
70°
53°
6
81°
54°
7
86°
55°
8
83°
54°
9
82°
58°
10
86°
57°
11
85°
56°
12
89°
57°
13
90°
58°
14
80°
50°
15
75°
52°
16
76°
52°
17
76°
50°
18
75°
53°
19
75°
48°
20
78°
51°
21
81°
55°
22
84°
56°
23
85°
58°
24
86°
58°
25
86°
57°
26
85°
56°
27
83°
55°
28
81°
54°
29
79°
53°
30
78°
52°
31
78°
52°
1
79°
53°
2
82°
53°
3
84°
56°
4
85°
58°
5
84°
56°
6
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Locke
Locke's May 2026 forecast shows daily high temperatures ranging from 68° to 90°, with overnight lows between 48° and 58°. The average high for May is 81° 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 Locke. See also: June | July | August.