S
M
T
W
T
F
S
26
68°
28°
27
71°
31°
28
64°
47°
29
53°
39°
30
52°
32°
1
49°
25°
2
47°
35°
3
58°
29°
4
71°
42°
5
64°
42°
6
54°
30°
7
51°
35°
8
54°
32°
9
63°
42°
10
54°
33°
11
55°
33°
12
54°
33°
13
57°
35°
14
61°
40°
15
62°
42°
16
62°
41°
17
66°
42°
18
64°
44°
19
64°
41°
20
62°
42°
21
61°
38°
22
62°
37°
23
63°
38°
24
70°
44°
25
73°
48°
26
73°
45°
27
67°
44°
28
70°
39°
29
65°
41°
30
74°
49°
31
75°
50°
1
75°
48°
2
68°
46°
3
74°
50°
4
76°
51°
5
75°
51°
6
72°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Petawawa
Petawawa's May 2026 forecast shows daily high temperatures ranging from 51° to 76°, with overnight lows between 32° and 51°. The average high for May is 65° 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 Petawawa. See also: June | July | August.
