S
M
T
W
T
F
S
26
88°
76°
27
94°
76°
28
94°
76°
29
94°
73°
30
92°
75°
1
91°
65°
2
73°
59°
3
84°
56°
4
85°
62°
5
92°
73°
6
96°
77°
7
83°
74°
8
88°
71°
9
89°
71°
10
91°
71°
11
91°
67°
12
89°
65°
13
90°
62°
14
94°
63°
15
93°
68°
16
93°
71°
17
94°
79°
18
96°
79°
19
93°
79°
20
91°
67°
21
86°
69°
22
94°
71°
23
85°
71°
24
91°
71°
25
92°
69°
26
91°
73°
27
81°
66°
28
89°
74°
29
92°
74°
30
91°
74°
31
89°
76°
1
91°
74°
2
88°
71°
3
90°
73°
4
92°
70°
5
93°
73°
6
93°
73°
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 88° to 93°, with overnight lows between 70° and 76°. The average high for May is 91° with an average low of 73°. 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.
