S
M
T
W
T
F
S
29
50°
30°
30
68°
35°
31
72°
42°
1
42°
34°
2
52°
33°
3
73°
38°
4
58°
38°
5
46°
31°
6
47°
27°
7
31°
20°
8
50°
19°
9
67°
43°
10
48°
34°
11
51°
29°
12
68°
37°
13
77°
58°
14
74°
55°
15
73°
54°
16
66°
50°
17
64°
48°
18
61°
34°
19
43°
28°
20
42°
32°
21
51°
40°
22
58°
39°
23
56°
41°
24
55°
41°
25
53°
40°
26
54°
44°
27
51°
42°
28
55°
40°
29
54°
42°
30
58°
41°
1
56°
41°
2
51°
42°
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 42° to 73°, with overnight lows between 28° and 54°. The average high for April is 56° with an average low of 41°. 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.
