S
M
T
W
T
F
S
28
86°
67°
29
91°
78°
30
92°
77°
1
92°
76°
2
92°
71°
3
90°
69°
4
84°
68°
5
84°
69°
6
83°
58°
7
85°
61°
8
88°
69°
9
82°
66°
10
82°
64°
11
84°
63°
12
86°
65°
13
89°
64°
14
91°
67°
15
89°
65°
16
93°
68°
17
92°
67°
18
91°
66°
19
85°
64°
20
87°
65°
21
80°
61°
22
80°
62°
23
82°
65°
24
83°
65°
25
81°
66°
26
85°
68°
27
87°
68°
28
88°
69°
29
88°
70°
30
87°
69°
31
86°
68°
1
87°
69°
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 80° to 93°, with overnight lows between 58° and 70°. The average high for July is 86° 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 July weather will actually feel in Cambridge. See also: August | September | October.