S
M
T
W
T
F
S
26
77°
57°
27
76°
58°
28
77°
58°
29
76°
57°
30
75°
58°
31
76°
58°
1
77°
58°
2
77°
58°
3
79°
55°
4
78°
56°
5
74°
57°
6
78°
56°
7
75°
57°
8
76°
56°
9
78°
56°
10
77°
55°
11
78°
55°
12
76°
56°
13
77°
56°
14
77°
54°
15
75°
51°
16
72°
50°
17
72°
53°
18
74°
53°
19
73°
48°
20
74°
50°
21
72°
54°
22
75°
54°
23
76°
53°
24
76°
53°
25
75°
52°
26
76°
53°
27
75°
51°
28
68°
53°
29
69°
54°
30
75°
52°
31
75°
47°
1
74°
44°
2
67°
46°
3
68°
46°
4
68°
45°
5
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Martins
St. Martins's August 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 44° and 58°. The average high for August is 75° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in St. Martins. See also: September | October | November.
