S
M
T
W
T
F
S
26
72°
48°
27
72°
47°
28
71°
48°
29
71°
48°
30
66°
45°
1
69°
49°
2
70°
46°
3
71°
49°
4
73°
51°
5
74°
52°
6
75°
53°
7
74°
54°
8
75°
52°
9
74°
51°
10
66°
51°
11
66°
50°
12
75°
54°
13
76°
53°
14
76°
54°
15
75°
55°
16
78°
54°
17
78°
55°
18
79°
51°
19
71°
52°
20
72°
49°
21
71°
53°
22
70°
52°
23
71°
55°
24
73°
56°
25
76°
60°
26
77°
59°
27
82°
61°
28
80°
59°
29
83°
56°
30
83°
50°
31
74°
58°
1
80°
57°
2
82°
61°
3
84°
60°
4
85°
53°
5
85°
52°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plattsmouth
Plattsmouth's May 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 45° and 61°. The average high for May is 75° with an average low of 53°. 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 Plattsmouth. See also: June | July | August.
