S
M
T
W
T
F
S
26
85°
64°
27
85°
66°
28
81°
65°
29
83°
61°
30
85°
58°
31
86°
67°
1
73°
63°
2
79°
59°
3
81°
56°
4
83°
63°
5
85°
61°
6
83°
63°
7
85°
62°
8
86°
62°
9
85°
61°
10
83°
61°
11
82°
64°
12
83°
60°
13
81°
63°
14
77°
56°
15
76°
55°
16
76°
61°
17
78°
62°
18
76°
58°
19
76°
58°
20
77°
60°
21
77°
56°
22
74°
54°
23
74°
54°
24
75°
55°
25
74°
54°
26
75°
53°
27
74°
54°
28
76°
57°
29
77°
59°
30
79°
61°
31
74°
62°
1
76°
61°
2
79°
56°
3
73°
52°
4
73°
54°
5
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Manchester
Manchester's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 67°. The average high for August is 78° with an average low of 59°. 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 Manchester. See also: September | October | November.