S
M
T
W
T
F
S
29
88°
55°
30
85°
57°
31
65°
56°
1
60°
54°
2
68°
45°
3
77°
47°
4
80°
53°
5
83°
52°
6
72°
52°
7
70°
56°
8
72°
52°
9
72°
50°
10
71°
49°
11
72°
48°
12
74°
48°
13
76°
52°
14
76°
51°
15
77°
50°
16
72°
47°
17
70°
50°
18
69°
49°
19
68°
49°
20
67°
44°
21
67°
44°
22
68°
45°
23
69°
44°
24
69°
46°
25
70°
45°
26
69°
48°
27
76°
49°
28
77°
51°
29
76°
48°
30
77°
49°
1
78°
52°
2
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Vallejo
Vallejo's April 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 44° and 56°. 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 Vallejo. See also: May | June | July.
