S
M
T
W
T
F
S
28
74°
50°
29
80°
48°
30
82°
48°
1
67°
55°
2
N/A
3
85°
63°
4
80°
58°
5
70°
49°
6
71°
51°
7
76°
51°
8
76°
53°
9
75°
54°
10
81°
55°
11
78°
54°
12
81°
54°
13
79°
56°
14
78°
55°
15
77°
54°
16
71°
52°
17
73°
56°
18
73°
56°
19
75°
55°
20
74°
56°
21
72°
56°
22
71°
55°
23
73°
57°
24
73°
57°
25
74°
56°
26
75°
57°
27
76°
57°
28
75°
56°
29
76°
57°
30
77°
58°
31
77°
58°
1
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in St. Martins
St. Martins's July 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 49° and 63°. The average high for July is 76° with an average low of 55°. 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 St. Martins. See also: August | September | October.
