S
M
T
W
T
F
S
26
78°
56°
27
78°
55°
28
79°
57°
29
78°
56°
30
81°
58°
31
81°
62°
1
83°
62°
2
84°
63°
3
85°
63°
4
85°
62°
5
84°
55°
6
77°
55°
7
75°
56°
8
77°
55°
9
77°
56°
10
80°
56°
11
81°
61°
12
82°
59°
13
81°
61°
14
82°
60°
15
82°
62°
16
81°
59°
17
83°
58°
18
78°
54°
19
74°
54°
20
76°
54°
21
76°
59°
22
75°
60°
23
75°
57°
24
76°
56°
25
79°
60°
26
80°
58°
27
80°
52°
28
77°
56°
29
74°
59°
30
77°
58°
31
80°
59°
1
81°
58°
2
79°
57°
3
80°
53°
4
79°
49°
5
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Peterborough
Peterborough's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 49° and 63°. The average high for August is 79° 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 August weather will actually feel in Peterborough. See also: September | October | November.
