S
M
T
W
T
F
S
26
55°
35°
27
58°
36°
28
59°
39°
29
63°
33°
30
69°
38°
1
74°
41°
2
78°
47°
3
76°
45°
4
75°
44°
5
73°
50°
6
74°
48°
7
69°
47°
8
65°
40°
9
69°
43°
10
75°
49°
11
70°
44°
12
86°
42°
13
64°
44°
14
59°
42°
15
54°
40°
16
47°
36°
17
54°
34°
18
59°
40°
19
64°
42°
20
66°
46°
21
67°
40°
22
72°
39°
23
78°
47°
24
75°
45°
25
80°
45°
26
56°
46°
27
69°
50°
28
79°
53°
29
68°
47°
30
65°
42°
31
64°
41°
1
70°
45°
2
77°
49°
3
76°
46°
4
74°
47°
5
75°
46°
6
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Elk River
Elk River's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 41° and 53°. The average high for May is 71° with an average low of 46°. 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 Elk River. See also: June | July | August.