S
M
T
W
T
F
S
26
49°
32°
27
50°
38°
28
49°
40°
29
48°
43°
30
52°
46°
1
52°
36°
2
50°
46°
3
50°
45°
4
59°
37°
5
57°
42°
6
50°
45°
7
52°
39°
8
53°
36°
9
49°
41°
10
50°
44°
11
52°
45°
12
58°
41°
13
54°
37°
14
55°
46°
15
56°
42°
16
57°
40°
17
52°
44°
18
54°
43°
19
45°
36°
20
47°
39°
21
50°
35°
22
47°
32°
23
46°
30°
24
42°
32°
25
44°
34°
26
45°
37°
27
42°
36°
28
41°
36°
29
44°
37°
30
46°
36°
31
45°
35°
1
54°
40°
2
49°
36°
3
53°
38°
4
49°
37°
5
49°
37°
6
50°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rupert
Rupert's May 2026 forecast shows daily high temperatures ranging from 41° to 54°, with overnight lows between 30° and 40°. The average high for May is 47° with an average low of 36°. 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 Rupert. See also: June | July | August.
