S
M
T
W
T
F
S
26
85°
73°
27
85°
73°
28
86°
72°
29
86°
73°
30
83°
73°
1
83°
72°
2
84°
73°
3
83°
72°
4
82°
71°
5
80°
72°
6
81°
72°
7
82°
73°
8
83°
74°
9
83°
74°
10
84°
73°
11
83°
74°
12
83°
74°
13
84°
73°
14
84°
75°
15
86°
73°
16
83°
72°
17
84°
73°
18
88°
72°
19
87°
74°
20
89°
73°
21
88°
74°
22
89°
75°
23
88°
74°
24
87°
73°
25
86°
72°
26
86°
73°
27
87°
73°
28
88°
75°
29
90°
75°
30
90°
76°
31
89°
76°
1
89°
77°
2
88°
76°
3
89°
76°
4
90°
75°
5
88°
76°
6
90°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deerfield Beach
Deerfield Beach's May 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 71° and 77°. The average high for May is 86° with an average low of 74°. 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 Deerfield Beach. See also: June | July | August.
