S
M
T
W
T
F
S
29
88°
49°
30
78°
45°
31
71°
57°
1
63°
55°
2
67°
40°
3
78°
45°
4
82°
42°
5
85°
43°
6
76°
51°
7
76°
50°
8
84°
51°
9
78°
55°
10
68°
53°
11
64°
49°
12
63°
50°
13
68°
47°
14
70°
47°
15
70°
47°
16
71°
49°
17
76°
47°
18
79°
37°
19
76°
49°
20
66°
50°
21
66°
46°
22
65°
42°
23
77°
50°
24
71°
51°
25
66°
50°
26
66°
47°
27
70°
49°
28
71°
50°
29
72°
50°
30
74°
51°
1
75°
51°
2
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fairfield-Suisun City
Fairfield-Suisun City's April 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 42° and 52°. The average high for April is 71° 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 Fairfield-Suisun City. See also: May | June | July.
