S
M
T
W
T
F
S
26
70°
45°
27
61°
46°
28
54°
43°
29
65°
37°
30
61°
39°
1
62°
34°
2
71°
30°
3
77°
49°
4
84°
42°
5
61°
46°
6
63°
37°
7
75°
45°
8
79°
52°
9
82°
42°
10
77°
44°
11
87°
45°
12
85°
51°
13
82°
43°
14
85°
52°
15
95°
56°
16
89°
59°
17
87°
60°
18
60°
51°
19
64°
45°
20
62°
41°
21
67°
47°
22
76°
54°
23
78°
48°
24
85°
53°
25
89°
65°
26
89°
58°
27
87°
61°
28
84°
62°
29
79°
61°
30
80°
62°
31
79°
59°
1
79°
58°
2
80°
55°
3
84°
58°
4
84°
62°
5
89°
65°
6
89°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Martell
Martell's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 55° and 66°. The average high for May is 84° with an average low of 61°. 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 Martell. See also: June | July | August.