S
M
T
W
T
F
S
27
89°
79°
28
88°
78°
29
89°
79°
30
89°
80°
1
88°
80°
2
89°
79°
3
90°
80°
4
89°
79°
5
90°
80°
6
89°
79°
7
90°
78°
8
89°
78°
9
88°
80°
10
89°
79°
11
89°
79°
12
88°
78°
13
88°
78°
14
89°
77°
15
88°
77°
16
88°
78°
17
86°
77°
18
88°
78°
19
87°
77°
20
88°
78°
21
87°
77°
22
89°
75°
23
88°
78°
24
87°
76°
25
87°
77°
26
88°
78°
27
87°
78°
28
88°
79°
29
88°
78°
30
87°
79°
31
89°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in St Thomas
St Thomas's October 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 75° and 80°. The average high for October 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 October weather will actually feel in St Thomas. See also: November | December | January.