S
M
T
W
T
F
S
26
91°
69°
27
83°
67°
28
82°
64°
29
85°
63°
30
91°
68°
1
90°
68°
2
94°
69°
3
73°
71°
4
78°
69°
5
83°
72°
6
85°
70°
7
92°
69°
8
87°
70°
9
87°
71°
10
84°
72°
11
86°
70°
12
87°
69°
13
84°
68°
14
83°
70°
15
84°
69°
16
85°
68°
17
82°
69°
18
82°
71°
19
85°
71°
20
87°
72°
21
85°
72°
22
82°
71°
23
83°
68°
24
82°
71°
25
83°
72°
26
84°
72°
27
85°
71°
28
84°
72°
29
83°
73°
30
83°
72°
31
82°
73°
1
83°
73°
2
84°
72°
3
84°
73°
4
84°
73°
5
84°
72°
6
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sebastian
Sebastian's May 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 68° and 74°. The average high for May is 84° with an average low of 71°. 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 Sebastian. See also: June | July | August.
