S
M
T
W
T
F
S
26
85°
68°
27
90°
70°
28
90°
70°
29
89°
69°
30
88°
70°
31
86°
69°
1
87°
69°
2
84°
68°
3
84°
69°
4
85°
69°
5
86°
68°
6
85°
69°
7
85°
69°
8
86°
68°
9
86°
69°
10
82°
69°
11
84°
68°
12
84°
68°
13
83°
67°
14
83°
67°
15
84°
66°
16
83°
64°
17
83°
65°
18
84°
65°
19
83°
66°
20
85°
68°
21
88°
62°
22
83°
59°
23
82°
59°
24
83°
61°
25
82°
63°
26
84°
65°
27
89°
66°
28
89°
66°
29
88°
65°
30
89°
60°
31
83°
59°
1
81°
62°
2
81°
63°
3
85°
59°
4
86°
65°
5
87°
65°
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 81° to 90°, with overnight lows between 59° and 70°. The average high for August is 85° 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 Cambridge. See also: September | October | November.
