S
M
T
W
T
F
S
26
77°
55°
27
81°
55°
28
73°
55°
29
73°
57°
30
64°
48°
1
68°
46°
2
63°
50°
3
63°
39°
4
75°
43°
5
75°
50°
6
72°
59°
7
63°
48°
8
70°
41°
9
73°
48°
10
81°
50°
11
68°
52°
12
73°
48°
13
75°
54°
14
64°
45°
15
75°
48°
16
84°
57°
17
86°
58°
18
88°
58°
19
87°
63°
20
77°
65°
21
75°
58°
22
79°
60°
23
78°
61°
24
82°
63°
25
80°
62°
26
81°
64°
27
82°
65°
28
80°
58°
29
82°
62°
30
82°
62°
31
76°
58°
1
76°
59°
2
77°
59°
3
80°
60°
4
81°
63°
5
83°
64°
6
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morristown
Morristown's May 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 48° and 65°. The average high for May is 81° 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 Morristown. See also: June | July | August.
