S
M
T
W
T
F
S
26
60°
26°
27
55°
36°
28
49°
28°
29
46°
27°
30
48°
26°
1
57°
21°
2
75°
35°
3
76°
31°
4
51°
31°
5
41°
31°
6
47°
26°
7
60°
21°
8
67°
30°
9
57°
33°
10
55°
24°
11
70°
27°
12
70°
37°
13
78°
32°
14
82°
56°
15
80°
42°
16
64°
43°
17
54°
43°
18
52°
37°
19
47°
35°
20
60°
40°
21
65°
46°
22
73°
48°
23
72°
47°
24
76°
50°
25
71°
48°
26
76°
53°
27
77°
53°
28
82°
58°
29
65°
51°
30
67°
47°
31
66°
43°
1
67°
47°
2
68°
53°
3
73°
55°
4
77°
56°
5
76°
55°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in East Grand Forks
East Grand Forks's May 2026 forecast shows daily high temperatures ranging from 47° to 82°, with overnight lows between 35° and 58°. The average high for May is 69° with an average low of 48°. 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 East Grand Forks. See also: June | July | August.
