S
M
T
W
T
F
S
28
96°
78°
29
96°
78°
30
95°
75°
1
96°
76°
2
95°
75°
3
96°
74°
4
97°
75°
5
98°
77°
6
96°
75°
7
97°
74°
8
97°
74°
9
90°
73°
10
91°
73°
11
97°
75°
12
93°
77°
13
94°
77°
14
93°
78°
15
93°
77°
16
92°
77°
17
94°
76°
18
97°
75°
19
98°
74°
20
97°
77°
21
97°
76°
22
99°
78°
23
99°
76°
24
101°
75°
25
99°
76°
26
99°
76°
27
99°
77°
28
98°
77°
29
99°
76°
30
100°
78°
31
99°
77°
1
100°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sebastian
Sebastian's July 2026 forecast shows daily high temperatures ranging from 92° to 101°, with overnight lows between 74° and 78°. The average high for July is 97° 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 July weather will actually feel in Sebastian. See also: August | September | October.