S
M
T
W
T
F
S
26
64°
59°
27
70°
59°
28
79°
64°
29
75°
59°
30
70°
54°
31
68°
46°
1
68°
52°
2
75°
50°
3
82°
61°
4
77°
63°
5
66°
55°
6
64°
50°
7
72°
50°
8
79°
48°
9
79°
54°
10
70°
54°
11
81°
50°
12
90°
65°
13
87°
60°
14
71°
53°
15
67°
48°
16
67°
48°
17
67°
58°
18
66°
57°
19
66°
53°
20
65°
54°
21
65°
54°
22
65°
53°
23
66°
53°
24
65°
54°
25
64°
52°
26
63°
52°
27
64°
51°
28
63°
52°
29
67°
54°
30
64°
52°
31
64°
56°
1
65°
54°
2
63°
52°
3
62°
51°
4
66°
57°
5
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Blackburn
Blackburn's August 2026 forecast shows daily high temperatures ranging from 62° to 90°, with overnight lows between 48° and 65°. The average high for August is 67° 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 Blackburn. See also: September | October | November.
