S
M
T
W
T
F
S
26
86°
68°
27
86°
67°
28
85°
69°
29
81°
68°
30
80°
68°
31
85°
67°
1
86°
68°
2
86°
68°
3
88°
67°
4
88°
68°
5
85°
67°
6
86°
66°
7
80°
67°
8
83°
62°
9
81°
61°
10
82°
61°
11
81°
66°
12
83°
67°
13
86°
67°
14
86°
60°
15
83°
59°
16
80°
60°
17
82°
64°
18
79°
60°
19
82°
59°
20
80°
59°
21
80°
60°
22
82°
63°
23
84°
59°
24
83°
58°
25
81°
59°
26
80°
61°
27
78°
59°
28
77°
62°
29
83°
65°
30
84°
63°
31
83°
56°
1
81°
55°
2
75°
56°
3
75°
56°
4
76°
57°
5
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Old Cambridge
Old Cambridge's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 55° and 69°. The average high for August is 82° with an average low of 63°. 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 Old Cambridge. See also: September | October | November.
