S
M
T
W
T
F
S
26
53°
39°
27
52°
38°
28
54°
38°
29
59°
40°
30
56°
46°
1
57°
38°
2
55°
41°
3
62°
43°
4
72°
42°
5
55°
45°
6
51°
46°
7
54°
39°
8
56°
44°
9
54°
47°
10
52°
48°
11
55°
46°
12
60°
42°
13
52°
46°
14
53°
42°
15
53°
41°
16
53°
41°
17
54°
39°
18
53°
46°
19
53°
44°
20
52°
44°
21
54°
46°
22
53°
43°
23
49°
41°
24
50°
44°
25
58°
46°
26
55°
45°
27
54°
43°
28
52°
43°
29
53°
44°
30
56°
47°
31
53°
46°
1
57°
47°
2
55°
48°
3
58°
49°
4
70°
56°
5
56°
47°
6
56°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prince Rupert
Prince Rupert's May 2026 forecast shows daily high temperatures ranging from 49° to 70°, with overnight lows between 41° and 56°. The average high for May is 55° 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 Prince Rupert. See also: June | July | August.
