S
M
T
W
T
F
S
26
89°
72°
27
86°
69°
28
86°
75°
29
86°
69°
30
91°
71°
1
89°
71°
2
96°
71°
3
80°
73°
4
82°
71°
5
84°
74°
6
87°
75°
7
90°
72°
8
93°
70°
9
92°
76°
10
91°
78°
11
91°
80°
12
91°
74°
13
90°
75°
14
90°
75°
15
88°
80°
16
89°
74°
17
88°
80°
18
87°
77°
19
88°
80°
20
88°
80°
21
89°
79°
22
90°
80°
23
90°
80°
24
90°
81°
25
88°
79°
26
92°
78°
27
93°
77°
28
89°
75°
29
91°
73°
30
85°
71°
31
83°
72°
1
84°
73°
2
87°
72°
3
85°
73°
4
86°
72°
5
87°
71°
6
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Royal Palm Beach
Royal Palm Beach's May 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 71° and 79°. The average high for May is 87° 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 Royal Palm Beach. See also: June | July | August.
