S
M
T
W
T
F
S
29
45°
27°
30
30°
25°
31
28°
19°
1
36°
16°
2
36°
30°
3
43°
28°
4
45°
32°
5
43°
23°
6
28°
18°
7
36°
19°
8
43°
30°
9
39°
28°
10
48°
30°
11
46°
32°
12
46°
37°
13
41°
34°
14
50°
34°
15
68°
34°
16
37°
23°
17
32°
21°
18
41°
19°
19
39°
23°
20
64°
30°
21
66°
28°
22
81°
41°
23
73°
37°
24
54°
34°
25
45°
27°
26
55°
25°
27
50°
36°
28
43°
28°
29
45°
32°
30
46°
26°
1
58°
36°
2
67°
35°
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 45° to 67°, with overnight lows between 26° and 36°. The average high for April is 54° 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.
