S
M
T
W
T
F
S
26
92°
64°
27
95°
71°
28
95°
70°
29
77°
60°
30
63°
56°
1
59°
46°
2
72°
47°
3
78°
47°
4
88°
59°
5
92°
64°
6
73°
53°
7
64°
53°
8
78°
56°
9
89°
55°
10
94°
62°
11
79°
60°
12
88°
55°
13
93°
58°
14
94°
63°
15
87°
67°
16
86°
67°
17
88°
71°
18
93°
76°
19
87°
58°
20
72°
52°
21
72°
61°
22
90°
58°
23
88°
62°
24
83°
63°
25
83°
61°
26
82°
61°
27
83°
63°
28
90°
66°
29
86°
69°
30
91°
66°
31
92°
67°
1
89°
62°
2
89°
63°
3
86°
62°
4
84°
63°
5
87°
63°
6
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mertzon
Mertzon's May 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 62° and 69°. The average high for May is 88° with an average low of 64°. 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 Mertzon. See also: June | July | August.
