S
M
T
W
T
F
S
26
75°
49°
27
76°
52°
28
75°
56°
29
72°
55°
30
71°
56°
31
72°
56°
1
69°
54°
2
67°
51°
3
68°
54°
4
69°
54°
5
66°
52°
6
68°
51°
7
69°
53°
8
71°
54°
9
76°
55°
10
76°
55°
11
71°
54°
12
68°
53°
13
74°
54°
14
75°
54°
15
76°
55°
16
75°
55°
17
76°
54°
18
76°
54°
19
74°
53°
20
74°
54°
21
75°
53°
22
73°
52°
23
72°
53°
24
72°
48°
25
72°
50°
26
70°
50°
27
71°
49°
28
75°
53°
29
74°
46°
30
75°
40°
31
70°
39°
1
61°
42°
2
62°
42°
3
65°
46°
4
71°
46°
5
71°
48°
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 61° to 76°, with overnight lows between 39° and 56°. The average high for August is 72° with an average low of 51°. 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.