S
M
T
W
T
F
S
28
80°
66°
29
86°
68°
30
92°
73°
1
104°
76°
2
103°
75°
3
102°
75°
4
96°
70°
5
94°
69°
6
91°
67°
7
84°
65°
8
85°
66°
9
87°
67°
10
88°
65°
11
88°
67°
12
85°
68°
13
81°
61°
14
79°
61°
15
79°
60°
16
80°
61°
17
81°
63°
18
81°
63°
19
82°
67°
20
83°
68°
21
84°
68°
22
86°
67°
23
82°
68°
24
83°
68°
25
86°
67°
26
87°
68°
27
87°
69°
28
86°
68°
29
85°
68°
30
84°
62°
31
79°
61°
1
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint Thomas
Saint Thomas's July 2026 forecast shows daily high temperatures ranging from 79° to 104°, with overnight lows between 60° and 76°. The average high for July is 86° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Saint Thomas. See also: August | September | October.
