S
M
T
W
T
F
S
29
81°
74°
30
80°
69°
31
80°
68°
1
84°
68°
2
83°
72°
3
80°
72°
4
79°
69°
5
85°
76°
6
85°
77°
7
86°
80°
8
87°
80°
9
86°
79°
10
87°
79°
11
86°
79°
12
86°
79°
13
85°
72°
14
82°
74°
15
86°
73°
16
87°
78°
17
88°
78°
18
87°
77°
19
85°
77°
20
86°
76°
21
86°
75°
22
88°
75°
23
84°
73°
24
86°
75°
25
86°
77°
26
86°
79°
27
87°
79°
28
84°
77°
29
86°
77°
30
86°
78°
1
87°
78°
2
88°
78°
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 84° to 88°, with overnight lows between 77° and 78°. The average high for April is 86° with an average low of 78°. 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.
