S
M
T
W
T
F
S
26
84°
65°
27
88°
68°
28
87°
71°
29
80°
66°
30
68°
59°
1
59°
53°
2
72°
44°
3
76°
49°
4
80°
56°
5
82°
62°
6
82°
62°
7
72°
47°
8
76°
52°
9
78°
58°
10
79°
61°
11
79°
58°
12
80°
59°
13
82°
62°
14
81°
60°
15
85°
59°
16
79°
62°
17
80°
61°
18
79°
62°
19
80°
63°
20
80°
64°
21
82°
58°
22
80°
57°
23
79°
57°
24
80°
58°
25
80°
60°
26
81°
58°
27
79°
58°
28
80°
59°
29
82°
62°
30
82°
65°
31
83°
66°
1
83°
66°
2
82°
65°
3
83°
66°
4
84°
67°
5
84°
67°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morton
Morton's May 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 44° and 67°. The average high for May is 80° with an average low of 60°. 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 Morton. See also: June | July | August.