S
M
T
W
T
F
S
26
67°
29°
27
75°
31°
28
72°
33°
29
71°
38°
30
53°
42°
1
55°
34°
2
51°
36°
3
50°
30°
4
67°
32°
5
79°
37°
6
53°
41°
7
56°
37°
8
52°
30°
9
59°
26°
10
63°
42°
11
54°
31°
12
54°
32°
13
47°
32°
14
51°
44°
15
65°
50°
16
75°
50°
17
76°
51°
18
86°
43°
19
85°
58°
20
78°
54°
21
57°
34°
22
67°
29°
23
68°
34°
24
56°
47°
25
63°
49°
26
82°
46°
27
74°
49°
28
62°
50°
29
61°
43°
30
60°
38°
31
65°
46°
1
63°
42°
2
65°
43°
3
71°
48°
4
76°
53°
5
78°
56°
6
72°
54°
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 60° to 78°, with overnight lows between 38° and 56°. The average high for May is 67° with an average low of 47°. 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.
