S
M
T
W
T
F
S
26
77°
53°
27
79°
52°
28
82°
53°
29
85°
59°
30
86°
60°
1
87°
59°
2
85°
59°
3
86°
60°
4
88°
62°
5
88°
62°
6
89°
63°
7
89°
62°
8
88°
63°
9
85°
61°
10
78°
59°
11
79°
59°
12
80°
54°
13
79°
62°
14
86°
63°
15
86°
63°
16
89°
65°
17
90°
65°
18
90°
60°
19
80°
61°
20
80°
62°
21
83°
66°
22
83°
64°
23
84°
63°
24
89°
66°
25
90°
67°
26
90°
66°
27
89°
62°
28
82°
60°
29
92°
65°
30
92°
64°
31
90°
62°
1
89°
61°
2
87°
60°
3
90°
64°
4
92°
67°
5
93°
69°
6
94°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merkel
Merkel's May 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 52° and 69°. The average high for May is 86° with an average low of 62°. 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 Merkel. See also: June | July | August.
