S
M
T
W
T
F
S
26
65°
45°
27
60°
44°
28
59°
43°
29
61°
45°
30
59°
43°
1
60°
42°
2
59°
44°
3
55°
40°
4
56°
39°
5
56°
40°
6
57°
40°
7
57°
41°
8
58°
40°
9
57°
46°
10
58°
46°
11
58°
42°
12
62°
47°
13
65°
47°
14
65°
46°
15
64°
48°
16
63°
47°
17
65°
48°
18
65°
48°
19
64°
47°
20
64°
47°
21
63°
48°
22
60°
45°
23
61°
48°
24
63°
49°
25
63°
49°
26
64°
48°
27
64°
50°
28
65°
49°
29
64°
47°
30
65°
50°
31
64°
48°
1
63°
49°
2
65°
50°
3
64°
45°
4
64°
44°
5
65°
44°
6
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Peterborough
Peterborough's May 2026 forecast shows daily high temperatures ranging from 55° to 65°, with overnight lows between 39° and 50°. The average high for May is 62° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Peterborough. See also: June | July | August.
