S
M
T
W
T
F
S
26
83°
67°
27
79°
67°
28
78°
69°
29
79°
67°
30
78°
67°
31
78°
69°
1
78°
67°
2
79°
69°
3
80°
70°
4
80°
69°
5
82°
68°
6
78°
66°
7
79°
67°
8
78°
68°
9
77°
67°
10
77°
68°
11
78°
63°
12
77°
66°
13
78°
69°
14
79°
68°
15
77°
66°
16
76°
65°
17
76°
67°
18
77°
68°
19
77°
68°
20
81°
69°
21
81°
68°
22
82°
67°
23
77°
68°
24
84°
67°
25
82°
66°
26
82°
65°
27
83°
60°
28
75°
59°
29
74°
58°
30
73°
58°
31
72°
57°
1
73°
60°
2
73°
64°
3
74°
66°
4
81°
66°
5
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East Somerville
East Somerville'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 78° 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 Somerville. See also: September | October | November.