S
M
T
W
T
F
S
28
92°
70°
29
90°
67°
30
88°
67°
1
89°
70°
2
92°
73°
3
93°
72°
4
91°
68°
5
92°
72°
6
92°
73°
7
93°
72°
8
94°
73°
9
93°
68°
10
87°
69°
11
87°
67°
12
88°
68°
13
93°
69°
14
94°
74°
15
95°
75°
16
95°
74°
17
94°
75°
18
93°
73°
19
93°
75°
20
91°
74°
21
94°
69°
22
88°
71°
23
93°
71°
24
91°
69°
25
89°
69°
26
88°
70°
27
87°
75°
28
94°
76°
29
94°
74°
30
95°
75°
31
93°
73°
1
Hist. Avg.
92°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Somerville
Somerville's July 2026 forecast shows daily high temperatures ranging from 87° to 95°, with overnight lows between 67° and 76°. The average high for July is 92° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Somerville. See also: August | September | October.
