S
M
T
W
T
F
S
26
62°
36°
27
72°
35°
28
70°
50°
29
64°
52°
30
52°
42°
1
54°
34°
2
46°
36°
3
54°
35°
4
73°
42°
5
73°
47°
6
53°
38°
7
51°
35°
8
52°
39°
9
58°
47°
10
59°
39°
11
56°
35°
12
53°
37°
13
56°
41°
14
60°
44°
15
61°
45°
16
60°
43°
17
63°
44°
18
62°
44°
19
63°
45°
20
69°
49°
21
68°
48°
22
70°
43°
23
61°
40°
24
62°
42°
25
62°
42°
26
64°
43°
27
64°
42°
28
63°
43°
29
63°
42°
30
64°
44°
31
66°
48°
1
65°
45°
2
66°
44°
3
67°
53°
4
68°
50°
5
67°
48°
6
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morrisville
Morrisville's May 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 35° and 54°. The average high for May is 62° 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 Morrisville. See also: June | July | August.
