S
M
T
W
T
F
S
26
74°
51°
27
75°
54°
28
76°
58°
29
76°
59°
30
80°
60°
31
82°
61°
1
83°
60°
2
83°
60°
3
84°
61°
4
84°
54°
5
79°
53°
6
74°
52°
7
74°
51°
8
75°
52°
9
76°
52°
10
77°
53°
11
78°
58°
12
79°
59°
13
80°
60°
14
81°
59°
15
81°
58°
16
82°
53°
17
76°
55°
18
74°
51°
19
75°
51°
20
78°
56°
21
78°
55°
22
73°
56°
23
76°
52°
24
76°
57°
25
79°
54°
26
73°
51°
27
73°
54°
28
77°
58°
29
76°
58°
30
78°
57°
31
78°
56°
1
77°
55°
2
75°
55°
3
77°
52°
4
71°
53°
5
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cambridge
Cambridge's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 51° and 61°. The average high for August is 77° with an average low of 55°. 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 Cambridge. See also: September | October | November.
