S
M
T
W
T
F
S
26
81°
54°
27
81°
52°
28
75°
61°
29
75°
54°
30
64°
46°
1
68°
41°
2
64°
41°
3
66°
36°
4
79°
41°
5
75°
52°
6
72°
54°
7
66°
40°
8
72°
51°
9
77°
54°
10
78°
54°
11
70°
43°
12
69°
52°
13
75°
49°
14
77°
51°
15
79°
60°
16
83°
60°
17
79°
58°
18
83°
63°
19
83°
63°
20
80°
56°
21
75°
58°
22
75°
60°
23
76°
60°
24
76°
59°
25
77°
60°
26
76°
60°
27
77°
58°
28
77°
57°
29
78°
61°
30
76°
61°
31
76°
62°
1
77°
61°
2
79°
62°
3
80°
62°
4
79°
63°
5
79°
64°
6
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morrison
Morrison's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 40° and 64°. The average high for May is 77° with an average low of 58°. 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 Morrison. See also: June | July | August.