S
M
T
W
T
F
S
26
85°
62°
27
78°
58°
28
84°
51°
29
91°
67°
30
86°
66°
1
80°
61°
2
64°
51°
3
75°
44°
4
81°
45°
5
86°
53°
6
90°
61°
7
80°
67°
8
80°
65°
9
72°
64°
10
86°
66°
11
89°
64°
12
74°
61°
13
81°
60°
14
85°
56°
15
85°
48°
16
91°
59°
17
89°
67°
18
90°
64°
19
92°
65°
20
92°
67°
21
95°
68°
22
93°
69°
23
94°
70°
24
92°
71°
25
92°
70°
26
91°
69°
27
90°
68°
28
88°
68°
29
89°
68°
30
88°
67°
31
88°
66°
1
87°
65°
2
90°
68°
3
90°
68°
4
85°
67°
5
85°
68°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fargo
Fargo's May 2026 forecast shows daily high temperatures ranging from 85° to 95°, with overnight lows between 65° and 71°. The average high for May is 90° with an average low of 68°. 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 Fargo. See also: June | July | August.