S
M
T
W
T
F
S
26
75°
60°
27
72°
60°
28
72°
59°
29
73°
60°
30
72°
59°
31
70°
58°
1
70°
55°
2
69°
55°
3
70°
59°
4
70°
60°
5
71°
59°
6
71°
58°
7
76°
57°
8
74°
60°
9
75°
60°
10
76°
59°
11
75°
56°
12
73°
57°
13
73°
57°
14
72°
55°
15
72°
54°
16
70°
56°
17
72°
56°
18
69°
57°
19
70°
54°
20
70°
57°
21
73°
59°
22
74°
58°
23
75°
58°
24
73°
57°
25
74°
53°
26
72°
52°
27
68°
51°
28
68°
52°
29
69°
55°
30
70°
54°
31
71°
55°
1
67°
57°
2
71°
56°
3
72°
53°
4
70°
55°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East River Sheet Harbour
East River Sheet Harbour's August 2026 forecast shows daily high temperatures ranging from 67° to 76°, with overnight lows between 51° and 60°. The average high for August is 72° with an average low of 57°. 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 East River Sheet Harbour. See also: September | October | November.