S
M
T
W
T
F
S
26
66°
38°
27
73°
38°
28
70°
52°
29
61°
50°
30
50°
41°
1
54°
31°
2
46°
35°
3
53°
38°
4
71°
47°
5
71°
45°
6
46°
35°
7
53°
34°
8
55°
38°
9
60°
49°
10
55°
37°
11
53°
36°
12
51°
37°
13
52°
39°
14
58°
43°
15
63°
45°
16
60°
45°
17
60°
44°
18
58°
48°
19
63°
46°
20
59°
41°
21
60°
42°
22
60°
43°
23
62°
43°
24
65°
46°
25
68°
49°
26
68°
50°
27
65°
48°
28
66°
44°
29
63°
44°
30
68°
53°
31
72°
54°
1
72°
51°
2
68°
50°
3
71°
53°
4
74°
56°
5
75°
56°
6
74°
55°
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 46° to 75°, with overnight lows between 34° and 56°. The average high for May is 62° with an average low of 45°. 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.