S
M
T
W
T
F
S
26
63°
30°
27
63°
36°
28
64°
34°
29
68°
32°
30
75°
36°
1
81°
41°
2
73°
48°
3
82°
45°
4
82°
46°
5
81°
46°
6
82°
52°
7
81°
45°
8
75°
43°
9
82°
37°
10
79°
45°
11
79°
39°
12
84°
45°
13
55°
32°
14
70°
34°
15
61°
32°
16
51°
27°
17
59°
31°
18
63°
34°
19
68°
35°
20
65°
36°
21
68°
34°
22
66°
32°
23
65°
32°
24
65°
33°
25
77°
38°
26
57°
32°
27
58°
33°
28
60°
36°
29
62°
41°
30
60°
39°
31
61°
35°
1
62°
37°
2
65°
39°
3
71°
41°
4
72°
42°
5
72°
43°
6
73°
43°
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 51° to 84°, with overnight lows between 27° and 45°. The average high for May is 65° 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 Sunriver. See also: June | July | August.
