S
M
T
W
T
F
S
26
65°
28°
27
69°
32°
28
60°
42°
29
54°
40°
30
49°
32°
1
46°
31°
2
46°
32°
3
49°
38°
4
54°
38°
5
57°
41°
6
55°
39°
7
55°
40°
8
54°
40°
9
55°
38°
10
56°
39°
11
55°
45°
12
63°
46°
13
63°
40°
14
56°
36°
15
57°
36°
16
57°
38°
17
59°
41°
18
61°
47°
19
65°
43°
20
59°
40°
21
59°
38°
22
60°
39°
23
60°
41°
24
62°
48°
25
64°
45°
26
62°
42°
27
61°
42°
28
62°
47°
29
68°
50°
30
72°
49°
31
66°
47°
1
68°
50°
2
73°
52°
3
74°
51°
4
74°
49°
5
64°
47°
6
65°
48°
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 46° to 74°, with overnight lows between 31° and 52°. The average high for May is 60° with an average low of 42°. 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.
