S
M
T
W
T
F
S
26
79°
61°
27
80°
63°
28
80°
60°
29
81°
60°
30
83°
62°
31
84°
63°
1
83°
56°
2
81°
55°
3
78°
56°
4
78°
56°
5
76°
57°
6
78°
55°
7
78°
55°
8
79°
59°
9
78°
61°
10
81°
61°
11
80°
62°
12
82°
61°
13
78°
61°
14
84°
60°
15
84°
55°
16
80°
60°
17
81°
54°
18
79°
53°
19
77°
52°
20
76°
53°
21
77°
56°
22
77°
56°
23
76°
54°
24
78°
60°
25
76°
58°
26
82°
60°
27
80°
60°
28
82°
58°
29
81°
59°
30
75°
54°
31
77°
52°
1
74°
51°
2
74°
51°
3
75°
57°
4
73°
53°
5
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Berwick
South Berwick's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 50° and 63°. The average high for August is 79° with an average low of 57°. 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 South Berwick. See also: September | October | November.
