S
M
T
W
T
F
S
29
37°
7°
30
56°
30°
31
36°
27°
1
34°
27°
2
40°
24°
3
39°
28°
4
39°
29°
5
39°
33°
6
39°
18°
7
33°
14°
8
42°
25°
9
53°
37°
10
57°
39°
11
51°
29°
12
55°
40°
13
57°
37°
14
51°
29°
15
50°
33°
16
52°
33°
17
52°
35°
18
54°
28°
19
53°
30°
20
47°
35°
21
56°
34°
22
53°
34°
23
54°
36°
24
48°
36°
25
53°
31°
26
48°
29°
27
50°
30°
28
50°
31°
29
51°
32°
30
52°
32°
1
53°
33°
2
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Thomas
St. Thomas's April 2026 forecast shows daily high temperatures ranging from 33° to 57°, with overnight lows between 14° and 40°. The average high for April is 50° with an average low of 32°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in St. Thomas. See also: May | June | July.
