S
M
T
W
T
F
S
26
82°
65°
27
83°
66°
28
83°
66°
29
82°
65°
30
83°
66°
31
83°
66°
1
82°
65°
2
77°
65°
3
77°
64°
4
76°
65°
5
77°
65°
6
77°
64°
7
78°
63°
8
78°
61°
9
79°
64°
10
80°
64°
11
81°
63°
12
79°
65°
13
79°
62°
14
82°
58°
15
83°
62°
16
82°
64°
17
78°
63°
18
77°
64°
19
78°
63°
20
78°
58°
21
77°
56°
22
76°
56°
23
77°
57°
24
76°
56°
25
77°
56°
26
78°
61°
27
82°
56°
28
81°
60°
29
82°
62°
30
83°
61°
31
83°
59°
1
81°
59°
2
75°
61°
3
76°
60°
4
75°
54°
5
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Haysi
Haysi's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 54° and 66°. The average high for August is 79° with an average low of 62°. 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 Haysi. See also: September | October | November.