S
M
T
W
T
F
S
26
81°
56°
27
83°
58°
28
79°
65°
29
81°
63°
30
83°
60°
31
86°
52°
1
84°
65°
2
70°
60°
3
79°
51°
4
81°
55°
5
81°
61°
6
82°
61°
7
80°
59°
8
78°
60°
9
79°
59°
10
78°
55°
11
75°
53°
12
74°
54°
13
74°
53°
14
73°
58°
15
72°
52°
16
72°
52°
17
79°
57°
18
74°
56°
19
74°
57°
20
75°
54°
21
71°
54°
22
74°
57°
23
78°
57°
24
76°
56°
25
75°
56°
26
75°
55°
27
76°
56°
28
76°
55°
29
73°
56°
30
74°
55°
31
77°
54°
1
72°
52°
2
67°
51°
3
68°
52°
4
68°
52°
5
71°
53°
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 67° to 84°, with overnight lows between 51° and 65°. The average high for August is 75° with an average low of 56°. 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.
