S
M
T
W
T
F
S
26
71°
58°
27
68°
58°
28
71°
57°
29
69°
54°
30
72°
59°
31
73°
59°
1
73°
58°
2
70°
56°
3
69°
53°
4
68°
54°
5
70°
53°
6
68°
53°
7
68°
54°
8
69°
53°
9
70°
52°
10
71°
55°
11
69°
58°
12
70°
59°
13
68°
58°
14
72°
59°
15
71°
55°
16
70°
58°
17
71°
56°
18
67°
57°
19
67°
55°
20
69°
57°
21
72°
58°
22
71°
55°
23
68°
55°
24
66°
56°
25
66°
57°
26
67°
53°
27
66°
55°
28
66°
56°
29
68°
56°
30
70°
57°
31
71°
55°
1
69°
55°
2
68°
56°
3
69°
56°
4
69°
53°
5
68°
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 66° to 73°, with overnight lows between 51° and 59°. The average high for August is 69° with an average low of 56°. 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.
