S
M
T
W
T
F
S
26
60°
50°
27
60°
49°
28
59°
49°
29
60°
50°
30
60°
48°
31
61°
48°
1
62°
51°
2
61°
50°
3
61°
49°
4
60°
48°
5
61°
49°
6
61°
51°
7
62°
51°
8
62°
52°
9
66°
50°
10
65°
49°
11
65°
50°
12
61°
53°
13
62°
51°
14
65°
49°
15
62°
52°
16
60°
52°
17
61°
53°
18
61°
52°
19
63°
53°
20
62°
49°
21
61°
48°
22
62°
49°
23
63°
51°
24
64°
49°
25
61°
47°
26
61°
47°
27
65°
52°
28
64°
50°
29
61°
46°
30
64°
52°
31
63°
52°
1
60°
51°
2
60°
51°
3
63°
50°
4
63°
49°
5
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Haines
Haines's August 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 46° and 53°. The average high for August is 62° with an average low of 50°. 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 Haines. See also: September | October | November.