S
M
T
W
T
F
S
26
64°
34°
27
66°
41°
28
63°
45°
29
70°
46°
30
68°
50°
1
68°
46°
2
63°
48°
3
63°
50°
4
63°
49°
5
64°
46°
6
57°
45°
7
58°
45°
8
61°
49°
9
60°
47°
10
61°
50°
11
60°
46°
12
61°
45°
13
59°
47°
14
60°
44°
15
59°
45°
16
58°
46°
17
58°
46°
18
59°
44°
19
58°
47°
20
58°
44°
21
59°
44°
22
58°
45°
23
59°
47°
24
60°
50°
25
60°
50°
26
61°
49°
27
60°
48°
28
60°
46°
29
61°
45°
30
61°
47°
31
65°
49°
1
64°
48°
2
65°
51°
3
66°
51°
4
64°
49°
5
64°
50°
6
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merley
Merley's May 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 44° and 53°. The average high for May is 61° with an average low of 47°. 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 Merley. See also: June | July | August.