S
M
T
W
T
F
S
26
74°
57°
27
83°
52°
28
82°
65°
29
71°
64°
30
70°
61°
31
80°
62°
1
85°
66°
2
84°
69°
3
76°
65°
4
84°
63°
5
85°
64°
6
90°
73°
7
92°
73°
8
91°
71°
9
93°
64°
10
90°
70°
11
86°
68°
12
81°
65°
13
82°
64°
14
80°
62°
15
78°
61°
16
77°
60°
17
78°
63°
18
76°
61°
19
77°
62°
20
77°
63°
21
78°
61°
22
77°
64°
23
81°
65°
24
83°
66°
25
81°
64°
26
76°
64°
27
76°
63°
28
75°
65°
29
78°
65°
30
80°
64°
31
79°
63°
1
81°
60°
2
73°
57°
3
72°
59°
4
73°
58°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Weymouth
South Weymouth's August 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 56° and 73°. The average high for August is 80° with an average low of 64°. 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 Weymouth. See also: September | October | November.
