S
M
T
W
T
F
S
26
89°
69°
27
88°
69°
28
87°
72°
29
87°
69°
30
89°
71°
1
91°
70°
2
95°
76°
3
83°
72°
4
82°
72°
5
87°
73°
6
89°
73°
7
94°
71°
8
93°
71°
9
93°
75°
10
93°
79°
11
92°
78°
12
92°
77°
13
95°
76°
14
94°
75°
15
94°
71°
16
91°
73°
17
87°
72°
18
85°
77°
19
87°
77°
20
88°
78°
21
87°
79°
22
88°
78°
23
89°
77°
24
89°
76°
25
88°
78°
26
86°
77°
27
86°
77°
28
87°
74°
29
88°
75°
30
87°
76°
31
86°
74°
1
86°
75°
2
87°
76°
3
88°
76°
4
89°
77°
5
89°
77°
6
88°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Surfside
Surfside's May 2026 forecast shows daily high temperatures ranging from 85° to 89°, with overnight lows between 74° and 79°. The average high for May is 87° with an average low of 77°. 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 Surfside. See also: June | July | August.