S
M
T
W
T
F
S
26
64°
45°
27
73°
45°
28
68°
54°
29
63°
43°
30
55°
37°
1
52°
37°
2
52°
34°
3
59°
34°
4
72°
41°
5
64°
45°
6
54°
41°
7
57°
36°
8
63°
43°
9
70°
52°
10
64°
52°
11
68°
41°
12
73°
39°
13
63°
45°
14
63°
37°
15
63°
41°
16
74°
59°
17
87°
64°
18
87°
65°
19
83°
63°
20
69°
48°
21
64°
48°
22
68°
49°
23
76°
59°
24
75°
58°
25
75°
57°
26
80°
56°
27
77°
58°
28
79°
56°
29
77°
54°
30
80°
59°
31
79°
58°
1
80°
60°
2
80°
59°
3
76°
55°
4
73°
53°
5
74°
53°
6
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roseburg
Roseburg's May 2026 forecast shows daily high temperatures ranging from 64° to 87°, with overnight lows between 48° and 65°. The average high for May is 77° with an average low of 57°. 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 Roseburg. See also: June | July | August.
