S
M
T
W
T
F
S
26
87°
70°
27
88°
70°
28
95°
71°
29
88°
63°
30
84°
61°
31
82°
66°
1
82°
66°
2
83°
66°
3
82°
65°
4
87°
66°
5
86°
65°
6
85°
67°
7
88°
65°
8
87°
66°
9
83°
67°
10
83°
67°
11
84°
67°
12
82°
66°
13
82°
67°
14
83°
67°
15
82°
66°
16
83°
66°
17
82°
65°
18
83°
66°
19
86°
66°
20
85°
67°
21
82°
66°
22
83°
62°
23
86°
64°
24
88°
66°
25
87°
65°
26
88°
66°
27
89°
67°
28
88°
67°
29
88°
66°
30
87°
66°
31
88°
65°
1
87°
65°
2
86°
64°
3
84°
65°
4
84°
65°
5
81°
64°
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 81° to 95°, with overnight lows between 61° and 71°. The average high for August is 85° with an average low of 66°. 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.