S
M
T
W
T
F
S
26
48°
32°
27
50°
33°
28
49°
30°
29
51°
33°
30
53°
35°
1
54°
34°
2
54°
35°
3
60°
36°
4
64°
36°
5
64°
41°
6
63°
35°
7
53°
34°
8
52°
34°
9
53°
38°
10
54°
39°
11
58°
44°
12
58°
43°
13
57°
38°
14
59°
41°
15
66°
42°
16
66°
48°
17
70°
40°
18
59°
37°
19
57°
38°
20
60°
47°
21
61°
49°
22
67°
49°
23
71°
52°
24
73°
50°
25
71°
48°
26
62°
45°
27
62°
44°
28
63°
46°
29
68°
48°
30
62°
46°
31
64°
48°
1
68°
45°
2
71°
42°
3
66°
43°
4
68°
44°
5
67°
43°
6
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deer River
Deer River's May 2026 forecast shows daily high temperatures ranging from 48° to 73°, with overnight lows between 30° and 52°. The average high for May is 61° with an average low of 41°. 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 Deer River. See also: June | July | August.