S
M
T
W
T
F
S
26
76°
56°
27
75°
57°
28
74°
55°
29
70°
57°
30
71°
56°
31
71°
57°
1
70°
57°
2
73°
56°
3
71°
55°
4
68°
53°
5
68°
56°
6
69°
56°
7
70°
54°
8
68°
51°
9
69°
53°
10
70°
56°
11
72°
55°
12
72°
56°
13
71°
57°
14
72°
57°
15
71°
56°
16
71°
57°
17
70°
55°
18
66°
51°
19
68°
56°
20
69°
53°
21
66°
51°
22
67°
56°
23
69°
56°
24
71°
55°
25
70°
54°
26
68°
51°
27
69°
52°
28
69°
51°
29
70°
49°
30
67°
50°
31
70°
50°
1
69°
54°
2
69°
53°
3
70°
54°
4
70°
54°
5
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Birstall
Birstall's August 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 49° and 57°. The average high for August is 70° 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 Birstall. See also: September | October | November.