S
M
T
W
T
F
S
26
83°
64°
27
84°
64°
28
83°
63°
29
84°
63°
30
83°
64°
31
83°
62°
1
79°
61°
2
76°
59°
3
76°
61°
4
78°
62°
5
79°
61°
6
81°
62°
7
82°
62°
8
83°
63°
9
83°
63°
10
82°
62°
11
83°
62°
12
83°
63°
13
84°
63°
14
85°
59°
15
84°
60°
16
75°
61°
17
82°
58°
18
82°
57°
19
83°
54°
20
79°
53°
21
74°
52°
22
74°
53°
23
75°
54°
24
76°
52°
25
75°
54°
26
75°
55°
27
76°
53°
28
78°
52°
29
74°
52°
30
72°
53°
31
73°
51°
1
73°
52°
2
74°
51°
3
74°
52°
4
75°
50°
5
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Birch Run
Birch Run's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 50° and 64°. The average high for August is 79° with an average low of 58°. 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 Birch Run. See also: September | October | November.