S
M
T
W
T
F
S
26
61°
35°
27
61°
30°
28
60°
28°
29
54°
39°
30
57°
39°
1
53°
46°
2
62°
40°
3
46°
35°
4
59°
35°
5
76°
46°
6
74°
56°
7
58°
42°
8
56°
42°
9
60°
40°
10
66°
47°
11
60°
46°
12
48°
40°
13
58°
38°
14
67°
45°
15
59°
47°
16
73°
47°
17
76°
52°
18
67°
46°
19
N/A
20
90°
47°
21
62°
39°
22
63°
42°
23
63°
36°
24
68°
42°
25
66°
45°
26
66°
45°
27
68°
46°
28
71°
47°
29
72°
45°
30
73°
48°
31
75°
48°
1
74°
43°
2
66°
42°
3
67°
42°
4
67°
48°
5
68°
48°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in St. Croix
St. Croix's May 2026 forecast shows daily high temperatures ranging from 62° to 90°, with overnight lows between 36° and 48°. The average high for May is 69° with an average low of 45°. 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. Croix. See also: June | July | August.
