S
M
T
W
T
F
S
26
88°
70°
27
90°
69°
28
88°
70°
29
86°
70°
30
88°
69°
31
91°
71°
1
91°
70°
2
90°
71°
3
91°
69°
4
90°
70°
5
91°
68°
6
86°
69°
7
87°
64°
8
86°
65°
9
86°
66°
10
87°
65°
11
89°
69°
12
90°
69°
13
90°
68°
14
89°
64°
15
89°
64°
16
85°
69°
17
85°
68°
18
87°
64°
19
87°
63°
20
84°
63°
21
85°
64°
22
85°
63°
23
86°
62°
24
85°
62°
25
85°
63°
26
87°
66°
27
89°
67°
28
90°
68°
29
90°
68°
30
89°
66°
31
88°
60°
1
84°
59°
2
81°
60°
3
83°
61°
4
83°
60°
5
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hampstead
Hampstead's August 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 59° and 71°. The average high for August is 87° 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 Hampstead. See also: September | October | November.