S
M
T
W
T
F
S
28
77°
57°
29
73°
52°
30
75°
61°
1
77°
59°
2
75°
55°
3
79°
50°
4
82°
59°
5
81°
61°
6
88°
63°
7
86°
64°
8
90°
61°
9
93°
66°
10
86°
63°
11
82°
59°
12
84°
59°
13
79°
61°
14
86°
59°
15
86°
58°
16
85°
58°
17
79°
58°
18
74°
53°
19
76°
53°
20
76°
56°
21
78°
57°
22
79°
59°
23
81°
60°
24
80°
58°
25
79°
59°
26
70°
55°
27
70°
54°
28
71°
55°
29
74°
57°
30
75°
56°
31
75°
56°
1
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cambridge
Cambridge's July 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 53° and 61°. The average high for July is 77° with an average low of 57°. 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 Cambridge. See also: August | September | October.