S
M
T
W
T
F
S
26
63°
48°
27
70°
47°
28
75°
46°
29
81°
50°
30
85°
53°
1
87°
50°
2
82°
53°
3
75°
53°
4
64°
56°
5
69°
53°
6
78°
50°
7
87°
55°
8
87°
54°
9
90°
54°
10
91°
55°
11
97°
58°
12
95°
58°
13
82°
53°
14
88°
52°
15
89°
53°
16
82°
52°
17
77°
51°
18
84°
48°
19
88°
50°
20
91°
51°
21
95°
54°
22
95°
57°
23
88°
54°
24
84°
55°
25
84°
51°
26
75°
49°
27
77°
51°
28
80°
53°
29
85°
54°
30
87°
51°
31
89°
56°
1
95°
59°
2
94°
60°
3
92°
59°
4
90°
61°
5
89°
60°
6
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fergus
Fergus's May 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 49° and 61°. The average high for May is 87° with an average low of 55°. 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 Fergus. See also: June | July | August.