S
M
T
W
T
F
S
26
63°
37°
27
60°
37°
28
52°
38°
29
46°
32°
30
43°
33°
1
44°
31°
2
54°
29°
3
63°
40°
4
62°
40°
5
40°
33°
6
42°
35°
7
50°
30°
8
59°
26°
9
54°
36°
10
47°
32°
11
50°
32°
12
49°
34°
13
59°
37°
14
65°
34°
15
84°
50°
16
74°
43°
17
44°
40°
18
53°
37°
19
42°
33°
20
48°
36°
21
59°
43°
22
58°
46°
23
57°
47°
24
63°
52°
25
69°
51°
26
70°
56°
27
65°
52°
28
66°
52°
29
67°
57°
30
68°
44°
31
59°
48°
1
60°
49°
2
59°
49°
3
59°
48°
4
60°
46°
5
63°
51°
6
61°
51°
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 42° to 70°, with overnight lows between 33° and 57°. The average high for May is 60° with an average low of 47°. 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.