S
M
T
W
T
F
S
28
78°
68°
29
90°
66°
30
93°
68°
1
101°
75°
2
103°
76°
3
104°
77°
4
102°
74°
5
94°
72°
6
87°
71°
7
87°
69°
8
84°
73°
9
92°
73°
10
85°
70°
11
91°
67°
12
92°
71°
13
89°
64°
14
94°
68°
15
101°
76°
16
97°
77°
17
87°
66°
18
87°
67°
19
86°
65°
20
87°
60°
21
84°
69°
22
87°
67°
23
86°
57°
24
85°
55°
25
83°
61°
26
85°
65°
27
85°
70°
28
87°
67°
29
81°
63°
30
83°
64°
31
84°
66°
1
86°
65°
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 81° to 87°, with overnight lows between 61° and 70°. The average high for July is 84° with an average low of 65°. 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.
