S
M
T
W
T
F
S
27
63°
58°
28
64°
58°
29
72°
59°
30
81°
59°
1
83°
64°
2
87°
65°
3
73°
57°
4
64°
55°
5
71°
52°
6
63°
45°
7
71°
42°
8
76°
53°
9
73°
46°
10
71°
46°
11
59°
54°
12
73°
55°
13
76°
55°
14
80°
62°
15
66°
55°
16
N/A
17
56°
36°
18
57°
43°
19
64°
49°
20
69°
46°
21
64°
43°
22
59°
44°
23
63°
43°
24
62°
42°
25
62°
44°
26
63°
45°
27
62°
46°
28
60°
44°
29
61°
40°
30
60°
40°
31
56°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Riverside
Riverside's October 2026 forecast shows daily high temperatures ranging from 56° to 69°, with overnight lows between 36° and 49°. The average high for October is 61° with an average low of 43°. 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 Riverside. See also: November | December | January.
