S
M
T
W
T
F
S
26
73°
61°
27
75°
57°
28
81°
61°
29
82°
57°
30
73°
57°
31
73°
48°
1
72°
48°
2
78°
59°
3
76°
66°
4
72°
62°
5
73°
57°
6
72°
54°
7
68°
54°
8
72°
53°
9
72°
59°
10
71°
60°
11
73°
61°
12
73°
61°
13
72°
60°
14
73°
59°
15
70°
59°
16
69°
58°
17
68°
58°
18
67°
56°
19
66°
53°
20
65°
53°
21
65°
52°
22
66°
52°
23
66°
53°
24
68°
58°
25
71°
58°
26
70°
56°
27
70°
56°
28
69°
57°
29
70°
57°
30
71°
56°
31
70°
57°
1
69°
56°
2
68°
53°
3
67°
52°
4
65°
52°
5
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Weymouth
Weymouth's August 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 51° and 66°. The average high for August is 70° 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 Weymouth. See also: September | October | November.
