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