S
M
T
W
T
F
S
26
48°
38°
27
49°
40°
28
50°
41°
29
50°
40°
30
51°
41°
1
52°
41°
2
51°
40°
3
50°
39°
4
49°
38°
5
50°
37°
6
50°
40°
7
51°
38°
8
51°
42°
9
52°
42°
10
51°
40°
11
51°
41°
12
52°
40°
13
51°
42°
14
51°
41°
15
52°
38°
16
52°
38°
17
53°
39°
18
57°
44°
19
59°
44°
20
58°
43°
21
59°
38°
22
56°
39°
23
53°
41°
24
57°
44°
25
60°
45°
26
60°
45°
27
59°
41°
28
55°
39°
29
54°
40°
30
57°
44°
31
60°
48°
1
61°
47°
2
62°
48°
3
61°
48°
4
62°
47°
5
62°
47°
6
61°
48°
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 48° to 62°, with overnight lows between 37° and 48°. The average high for May is 55° 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 Prince Rupert. See also: June | July | August.
