S
M
T
W
T
F
S
26
72°
56°
27
70°
57°
28
72°
57°
29
71°
52°
30
73°
57°
31
74°
58°
1
74°
57°
2
71°
54°
3
70°
52°
4
70°
53°
5
72°
52°
6
70°
51°
7
69°
53°
8
71°
51°
9
72°
50°
10
72°
53°
11
70°
57°
12
71°
57°
13
69°
56°
14
73°
57°
15
72°
53°
16
71°
56°
17
72°
54°
18
68°
55°
19
68°
53°
20
69°
55°
21
73°
56°
22
72°
53°
23
69°
53°
24
67°
54°
25
67°
55°
26
68°
51°
27
66°
53°
28
66°
54°
29
69°
54°
30
70°
52°
31
71°
53°
1
70°
53°
2
68°
54°
3
69°
54°
4
69°
51°
5
68°
49°
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 66° to 74°, with overnight lows between 49° and 58°. The average high for August is 70° with an average low of 54°. 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.