S
M
T
W
T
F
S
26
80°
63°
27
80°
62°
28
81°
63°
29
80°
63°
30
81°
62°
31
77°
59°
1
76°
55°
2
76°
57°
3
77°
60°
4
77°
59°
5
79°
61°
6
82°
62°
7
83°
63°
8
83°
62°
9
82°
61°
10
82°
61°
11
83°
60°
12
84°
62°
13
83°
63°
14
85°
53°
15
77°
56°
16
78°
53°
17
76°
52°
18
82°
54°
19
81°
52°
20
76°
51°
21
75°
53°
22
76°
53°
23
75°
51°
24
76°
55°
25
78°
58°
26
76°
59°
27
82°
53°
28
84°
51°
29
75°
51°
30
73°
52°
31
73°
51°
1
74°
49°
2
72°
50°
3
74°
50°
4
73°
51°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Blair
Blair's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 49° and 63°. The average high for August is 78° with an average low of 56°. 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 Blair. See also: September | October | November.