S
M
T
W
T
F
S
26
82°
57°
27
78°
60°
28
73°
58°
29
77°
52°
30
84°
49°
31
89°
60°
1
78°
64°
2
71°
55°
3
80°
50°
4
82°
56°
5
73°
62°
6
79°
59°
7
79°
55°
8
77°
57°
9
76°
52°
10
78°
57°
11
78°
53°
12
80°
56°
13
77°
52°
14
76°
57°
15
80°
54°
16
67°
56°
17
76°
52°
18
76°
52°
19
75°
48°
20
72°
50°
21
78°
52°
22
69°
57°
23
59°
53°
24
64°
54°
25
75°
57°
26
75°
62°
27
69°
47°
28
69°
49°
29
72°
53°
30
72°
58°
31
73°
54°
1
69°
52°
2
70°
52°
3
71°
53°
4
69°
51°
5
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hartley Bay
Hartley Bay's August 2026 forecast shows daily high temperatures ranging from 69° to 75°, with overnight lows between 47° and 62°. The average high for August is 71° with an average low of 54°. 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 Hartley Bay. See also: September | October | November.