S
M
T
W
T
F
S
31
86°
78°
1
86°
77°
2
87°
77°
3
86°
78°
4
87°
76°
5
86°
76°
6
86°
78°
7
87°
79°
8
88°
78°
9
87°
78°
10
88°
79°
11
89°
78°
12
88°
77°
13
89°
78°
14
88°
80°
15
88°
80°
16
89°
78°
17
89°
79°
18
88°
79°
19
88°
77°
20
89°
79°
21
88°
79°
22
88°
80°
23
89°
79°
24
88°
78°
25
88°
78°
26
89°
80°
27
88°
79°
28
89°
78°
29
88°
77°
30
88°
79°
1
89°
77°
2
88°
79°
3
88°
80°
4
89°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St Thomas
St Thomas's June 2026 forecast shows daily high temperatures ranging from 86° to 89°, with overnight lows between 76° and 80°. The average high for June is 88° 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 June weather will actually feel in St Thomas. See also: July | August | September.
