S
M
T
W
T
F
S
26
63°
30°
27
63°
36°
28
64°
34°
29
68°
32°
30
75°
36°
1
74°
42°
2
68°
37°
3
71°
42°
4
71°
39°
5
73°
40°
6
75°
37°
7
72°
38°
8
66°
37°
9
67°
34°
10
67°
38°
11
71°
37°
12
72°
36°
13
69°
37°
14
75°
36°
15
60°
37°
16
62°
38°
17
59°
36°
18
60°
38°
19
58°
38°
20
60°
36°
21
60°
39°
22
61°
37°
23
62°
39°
24
67°
40°
25
70°
41°
26
71°
42°
27
70°
39°
28
69°
40°
29
69°
41°
30
68°
42°
31
61°
41°
1
61°
41°
2
67°
40°
3
66°
42°
4
64°
38°
5
68°
42°
6
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sunriver
Sunriver's May 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 34° and 42°. The average high for May is 67° with an average low of 39°. 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 Sunriver. See also: June | July | August.
