S
M
T
W
T
F
S
27
83°
57°
28
85°
54°
29
94°
63°
30
86°
60°
1
92°
59°
2
90°
62°
3
92°
63°
4
96°
66°
5
101°
67°
6
100°
67°
7
94°
67°
8
99°
66°
9
93°
65°
10
75°
58°
11
77°
52°
12
73°
49°
13
77°
53°
14
77°
49°
15
84°
51°
16
88°
56°
17
81°
56°
18
85°
55°
19
74°
51°
20
68°
50°
21
71°
57°
22
62°
53°
23
71°
46°
24
73°
44°
25
74°
51°
26
71°
46°
27
71°
45°
28
68°
51°
29
65°
50°
30
65°
51°
31
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Rio Vista
Rio Vista's October 2026 forecast shows daily high temperatures ranging from 65° to 75°, with overnight lows between 44° and 52°. The average high for October is 70° with an average low of 48°. 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 Rio Vista. See also: November | December | January.
