S
M
T
W
T
F
S
26
61°
39°
27
72°
36°
28
64°
36°
29
63°
48°
30
61°
46°
1
64°
39°
2
59°
45°
3
61°
43°
4
73°
37°
5
82°
45°
6
68°
54°
7
64°
45°
8
63°
39°
9
63°
46°
10
73°
48°
11
63°
45°
12
68°
39°
13
73°
55°
14
65°
49°
15
67°
49°
16
80°
62°
17
87°
62°
18
78°
59°
19
91°
67°
20
81°
56°
21
71°
54°
22
72°
56°
23
71°
54°
24
71°
55°
25
70°
54°
26
74°
53°
27
69°
52°
28
70°
50°
29
69°
53°
30
71°
58°
31
78°
55°
1
71°
54°
2
72°
53°
3
71°
52°
4
72°
52°
5
73°
59°
6
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Florham Park
Florham Park's May 2026 forecast shows daily high temperatures ranging from 65° to 91°, with overnight lows between 49° and 67°. The average high for May is 74° with an average low of 55°. 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 Florham Park. See also: June | July | August.
