S
M
T
W
T
F
S
26
63°
32°
27
61°
33°
28
61°
27°
29
48°
38°
30
53°
38°
1
54°
41°
2
58°
36°
3
48°
33°
4
N/A
5
58°
46°
6
54°
48°
7
54°
38°
8
53°
36°
9
58°
42°
10
57°
43°
11
61°
41°
12
57°
36°
13
59°
38°
14
60°
38°
15
62°
37°
16
60°
38°
17
60°
40°
18
61°
39°
19
64°
43°
20
64°
42°
21
63°
44°
22
64°
45°
23
64°
44°
24
65°
44°
25
60°
43°
26
60°
44°
27
62°
45°
28
63°
45°
29
60°
44°
30
60°
45°
31
63°
46°
1
61°
46°
2
65°
45°
3
63°
47°
4
66°
47°
5
62°
46°
6
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in St. Martins
St. Martins's May 2026 forecast shows daily high temperatures ranging from 53° to 66°, with overnight lows between 36° and 48°. The average high for May is 61° with an average low of 43°. 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 St. Martins. See also: June | July | August.
