S
M
T
W
T
F
S
26
61°
47°
27
61°
46°
28
60°
42°
29
55°
38°
30
54°
39°
1
54°
39°
2
55°
40°
3
56°
40°
4
57°
39°
5
58°
40°
6
58°
40°
7
59°
41°
8
64°
42°
9
66°
43°
10
67°
45°
11
66°
43°
12
66°
45°
13
64°
44°
14
63°
45°
15
60°
43°
16
59°
41°
17
62°
42°
18
67°
43°
19
67°
44°
20
66°
46°
21
63°
48°
22
61°
47°
23
61°
44°
24
62°
43°
25
62°
46°
26
62°
48°
27
62°
48°
28
64°
50°
29
70°
43°
30
69°
43°
31
66°
49°
1
67°
51°
2
64°
46°
3
65°
50°
4
68°
45°
5
68°
52°
6
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merville
Merville's May 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 38° and 52°. The average high for May is 63° with an average low of 44°. 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 Merville. See also: June | July | August.