S
M
T
W
T
F
S
27
83°
72°
28
87°
72°
29
88°
73°
30
86°
76°
1
86°
74°
2
89°
80°
3
88°
76°
4
89°
82°
5
89°
79°
6
85°
77°
7
83°
76°
8
84°
74°
9
88°
78°
10
89°
76°
11
89°
75°
12
90°
66°
13
89°
68°
14
88°
72°
15
86°
71°
16
84°
73°
17
84°
72°
18
83°
73°
19
84°
72°
20
83°
73°
21
84°
67°
22
83°
69°
23
83°
70°
24
79°
70°
25
79°
69°
26
80°
69°
27
79°
67°
28
79°
65°
29
78°
68°
30
78°
68°
31
79°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Merritt Island
Merritt Island's October 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 65° and 78°. The average high for October is 83° 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 October weather will actually feel in Merritt Island. See also: November | December | January.
