S
M
T
W
T
F
S
26
63°
37°
27
66°
41°
28
68°
45°
29
68°
46°
30
70°
46°
1
77°
45°
2
75°
55°
3
61°
54°
4
64°
53°
5
56°
45°
6
53°
41°
7
59°
44°
8
63°
49°
9
65°
51°
10
63°
46°
11
60°
47°
12
61°
49°
13
59°
48°
14
59°
49°
15
60°
48°
16
66°
53°
17
67°
52°
18
63°
50°
19
60°
46°
20
60°
46°
21
61°
47°
22
60°
46°
23
61°
47°
24
63°
51°
25
64°
51°
26
68°
54°
27
69°
54°
28
63°
51°
29
65°
48°
30
66°
51°
31
71°
55°
1
70°
52°
2
69°
54°
3
70°
52°
4
70°
55°
5
71°
56°
6
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merchtem
Merchtem's May 2026 forecast shows daily high temperatures ranging from 53° to 71°, with overnight lows between 41° and 57°. The average high for May is 64° with an average low of 50°. 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 Merchtem. See also: June | July | August.