S
M
T
W
T
F
S
26
70°
34°
27
59°
43°
28
59°
48°
29
68°
46°
30
77°
43°
1
75°
46°
2
75°
50°
3
82°
50°
4
81°
50°
5
68°
52°
6
63°
52°
7
66°
46°
8
63°
43°
9
72°
48°
10
64°
44°
11
76°
48°
12
82°
51°
13
73°
45°
14
66°
44°
15
64°
43°
16
61°
42°
17
64°
41°
18
65°
40°
19
64°
41°
20
68°
43°
21
67°
44°
22
62°
39°
23
66°
40°
24
70°
45°
25
70°
44°
26
62°
39°
27
62°
40°
28
67°
47°
29
63°
49°
30
66°
46°
31
72°
47°
1
73°
49°
2
74°
47°
3
65°
42°
4
71°
44°
5
73°
42°
6
64°
43°
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 61° to 82°, with overnight lows between 39° and 51°. The average high for May is 68° with an average low of 44°. 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.