S
M
T
W
T
F
S
27
86°
70°
28
87°
70°
29
82°
73°
30
86°
73°
1
84°
74°
2
89°
80°
3
90°
81°
4
90°
79°
5
88°
77°
6
88°
74°
7
89°
75°
8
88°
75°
9
89°
77°
10
88°
78°
11
90°
75°
12
89°
74°
13
89°
75°
14
87°
74°
15
88°
73°
16
83°
75°
17
84°
74°
18
83°
75°
19
83°
75°
20
84°
72°
21
82°
70°
22
81°
71°
23
81°
74°
24
82°
74°
25
82°
73°
26
83°
73°
27
81°
72°
28
81°
72°
29
80°
73°
30
81°
69°
31
80°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Riviera Beach
Riviera Beach's October 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 67° and 81°. The average high for October is 85° with an average low of 74°. 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 Riviera Beach. See also: November | December | January.