S
M
T
W
T
F
S
26
82°
55°
27
86°
58°
28
61°
51°
29
63°
44°
30
67°
36°
1
65°
38°
2
63°
39°
3
64°
38°
4
81°
59°
5
59°
45°
6
58°
42°
7
67°
46°
8
74°
51°
9
78°
57°
10
69°
46°
11
66°
45°
12
76°
55°
13
79°
57°
14
77°
53°
15
76°
58°
16
79°
61°
17
76°
55°
18
74°
60°
19
78°
58°
20
73°
54°
21
77°
52°
22
69°
51°
23
71°
52°
24
70°
53°
25
70°
53°
26
71°
54°
27
72°
53°
28
73°
58°
29
74°
59°
30
76°
63°
31
74°
62°
1
74°
57°
2
75°
58°
3
76°
63°
4
78°
64°
5
78°
65°
6
77°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Eugene
Eugene's May 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 42° and 65°. The average high for May is 73° with an average low of 55°. 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 Eugene. See also: June | July | August.
