S
M
T
W
T
F
S
26
55°
35°
27
67°
37°
28
63°
48°
29
63°
46°
30
60°
41°
1
63°
48°
2
61°
44°
3
59°
45°
4
81°
55°
5
84°
60°
6
71°
48°
7
64°
43°
8
65°
53°
9
68°
46°
10
74°
50°
11
59°
42°
12
65°
47°
13
75°
53°
14
65°
48°
15
65°
47°
16
80°
61°
17
86°
62°
18
92°
71°
19
94°
72°
20
92°
55°
21
59°
54°
22
62°
51°
23
53°
50°
24
57°
52°
25
71°
56°
26
79°
60°
27
81°
63°
28
78°
56°
29
80°
59°
30
73°
49°
31
74°
55°
1
70°
53°
2
74°
55°
3
77°
56°
4
82°
61°
5
81°
62°
6
80°
60°
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 70° to 82°, with overnight lows between 49° and 63°. The average high for May is 77° with an average low of 57°. 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.
