S
M
T
W
T
F
S
26
71°
53°
27
80°
52°
28
82°
52°
29
79°
46°
30
80°
45°
31
76°
45°
1
71°
44°
2
73°
49°
3
77°
48°
4
78°
53°
5
80°
54°
6
81°
55°
7
82°
55°
8
82°
54°
9
81°
49°
10
80°
53°
11
71°
51°
12
77°
46°
13
70°
43°
14
68°
52°
15
75°
48°
16
75°
46°
17
77°
50°
18
77°
52°
19
78°
54°
20
78°
51°
21
75°
54°
22
77°
46°
23
76°
43°
24
66°
41°
25
67°
43°
26
67°
47°
27
66°
47°
28
65°
48°
29
67°
50°
30
66°
49°
31
73°
48°
1
66°
47°
2
73°
49°
3
73°
50°
4
74°
49°
5
75°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Birch River
Birch River's August 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 41° and 55°. The average high for August is 74° with an average low of 49°. 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 River. See also: September | October | November.