S
M
T
W
T
F
S
26
58°
54°
27
58°
52°
28
59°
52°
29
58°
51°
30
58°
51°
31
59°
52°
1
58°
51°
2
58°
52°
3
58°
52°
4
59°
51°
5
60°
52°
6
59°
56°
7
59°
56°
8
60°
55°
9
59°
56°
10
64°
55°
11
60°
53°
12
59°
53°
13
60°
54°
14
59°
52°
15
60°
51°
16
59°
55°
17
60°
54°
18
59°
54°
19
64°
53°
20
63°
51°
21
60°
50°
22
59°
50°
23
60°
53°
24
61°
55°
25
58°
54°
26
59°
54°
27
59°
50°
28
60°
49°
29
59°
51°
30
60°
52°
31
61°
49°
1
58°
50°
2
59°
54°
3
58°
53°
4
59°
52°
5
58°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sitka
Sitka's August 2026 forecast shows daily high temperatures ranging from 58° to 64°, with overnight lows between 49° and 56°. The average high for August is 59° 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 Sitka. See also: September | October | November.
