S
M
T
W
T
F
S
26
83°
67°
27
79°
67°
28
80°
69°
29
79°
67°
30
78°
67°
31
79°
69°
1
79°
67°
2
80°
69°
3
80°
70°
4
81°
70°
5
82°
69°
6
78°
66°
7
78°
67°
8
79°
67°
9
78°
68°
10
78°
69°
11
79°
64°
12
77°
67°
13
78°
69°
14
79°
68°
15
77°
66°
16
76°
65°
17
76°
67°
18
77°
68°
19
77°
69°
20
81°
69°
21
81°
68°
22
82°
67°
23
79°
68°
24
84°
67°
25
82°
66°
26
82°
66°
27
83°
61°
28
75°
60°
29
74°
59°
30
73°
58°
31
72°
57°
1
73°
61°
2
74°
64°
3
73°
67°
4
81°
67°
5
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East Boston
East Boston's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 57° and 70°. The average high for August is 79° with an average low of 66°. 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 East Boston. See also: September | October | November.
