S
M
T
W
T
F
S
26
76°
50°
27
84°
51°
28
82°
58°
29
72°
63°
30
77°
63°
31
79°
61°
1
87°
64°
2
87°
70°
3
79°
66°
4
85°
60°
5
87°
62°
6
90°
70°
7
91°
72°
8
89°
71°
9
88°
69°
10
85°
65°
11
85°
66°
12
84°
61°
13
84°
62°
14
80°
55°
15
80°
55°
16
77°
66°
17
75°
61°
18
79°
56°
19
80°
63°
20
81°
59°
21
79°
60°
22
77°
58°
23
78°
56°
24
74°
56°
25
76°
57°
26
75°
56°
27
81°
60°
28
73°
54°
29
73°
53°
30
77°
59°
31
76°
59°
1
73°
58°
2
79°
59°
3
80°
59°
4
78°
58°
5
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amesbury
Amesbury's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 53° and 66°. The average high for August is 78° with an average low of 58°. 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 Amesbury. See also: September | October | November.