S
M
T
W
T
F
S
29
90°
59°
30
83°
57°
31
71°
59°
1
66°
56°
2
68°
49°
3
75°
51°
4
76°
45°
5
85°
51°
6
80°
57°
7
79°
46°
8
81°
54°
9
82°
58°
10
71°
55°
11
66°
56°
12
62°
49°
13
69°
51°
14
73°
47°
15
70°
48°
16
72°
49°
17
74°
45°
18
77°
51°
19
74°
50°
20
70°
50°
21
65°
49°
22
71°
50°
23
77°
49°
24
78°
51°
25
78°
50°
26
76°
51°
27
75°
52°
28
76°
51°
29
70°
50°
30
71°
46°
1
72°
47°
2
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rio Vista
Rio Vista's April 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 45° and 52°. The average high for April is 73° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Rio Vista. See also: May | June | July.
