S
M
T
W
T
F
S
26
60°
49°
27
58°
47°
28
59°
51°
29
59°
49°
30
58°
50°
1
56°
51°
2
56°
51°
3
56°
50°
4
58°
52°
5
61°
52°
6
58°
52°
7
57°
51°
8
58°
51°
9
57°
47°
10
61°
52°
11
59°
52°
12
62°
52°
13
62°
51°
14
63°
49°
15
60°
51°
16
59°
50°
17
57°
45°
18
59°
44°
19
60°
48°
20
58°
47°
21
60°
49°
22
59°
50°
23
61°
50°
24
57°
49°
25
58°
45°
26
59°
47°
27
58°
47°
28
57°
46°
29
59°
48°
30
61°
50°
31
60°
49°
1
64°
52°
2
65°
53°
3
64°
53°
4
65°
52°
5
65°
53°
6
64°
53°
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 57° to 65°, with overnight lows between 44° and 53°. The average high for May is 61° with an average low of 49°. 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.