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
89°
77°
15
90°
79°
16
90°
78°
17
87°
77°
18
88°
76°
19
90°
78°
20
88°
77°
21
87°
78°
22
89°
76°
23
88°
77°
24
87°
76°
25
87°
75°
26
88°
73°
27
86°
76°
28
87°
75°
29
88°
76°
30
89°
76°
31
89°
75°
1
87°
76°
2
87°
76°
3
88°
75°
4
86°
77°
5
85°
77°
6
86°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highland Beach
Highland Beach's May 2026 forecast shows daily high temperatures ranging from 85° to 90°, with overnight lows between 73° and 79°. The average high for May is 88° with an average low of 76°. 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 Highland Beach. See also: June | July | August.
