S
M
T
W
T
F
S
26
87°
70°
27
85°
69°
28
84°
74°
29
84°
68°
30
89°
72°
1
87°
70°
2
96°
71°
3
80°
72°
4
79°
72°
5
82°
73°
6
84°
75°
7
88°
68°
8
89°
73°
9
91°
76°
10
91°
75°
11
88°
77°
12
91°
73°
13
90°
73°
14
91°
73°
15
90°
77°
16
89°
78°
17
88°
78°
18
89°
77°
19
88°
73°
20
87°
73°
21
89°
74°
22
88°
73°
23
90°
73°
24
88°
74°
25
87°
72°
26
88°
73°
27
87°
74°
28
88°
72°
29
88°
74°
30
87°
74°
31
88°
73°
1
87°
74°
2
86°
74°
3
86°
73°
4
85°
74°
5
85°
75°
6
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Boynton Beach-Delray Beach
Boynton Beach-Delray Beach's May 2026 forecast shows daily high temperatures ranging from 85° to 90°, with overnight lows between 72° and 78°. The average high for May is 88° 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 Boynton Beach-Delray Beach. See also: June | July | August.
