S
M
T
W
T
F
S
26
68°
38°
27
60°
46°
28
53°
31°
29
46°
31°
30
40°
27°
1
44°
24°
2
58°
20°
3
69°
36°
4
63°
38°
5
44°
26°
6
40°
28°
7
49°
26°
8
58°
40°
9
53°
30°
10
47°
25°
11
58°
32°
12
49°
33°
13
56°
38°
14
62°
42°
15
66°
38°
16
68°
44°
17
66°
46°
18
68°
43°
19
64°
43°
20
80°
54°
21
61°
39°
22
60°
40°
23
62°
41°
24
63°
42°
25
64°
45°
26
69°
45°
27
72°
48°
28
73°
49°
29
73°
49°
30
74°
51°
31
74°
50°
1
69°
48°
2
71°
52°
3
74°
53°
4
75°
51°
5
69°
49°
6
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Eagle River
Eagle River's May 2026 forecast shows daily high temperatures ranging from 47° to 80°, with overnight lows between 25° and 54°. The average high for May is 65° with an average low of 43°. 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 Eagle River. See also: June | July | August.