S
M
T
W
T
F
S
29
51°
23°
30
67°
43°
31
67°
52°
1
58°
36°
2
51°
42°
3
74°
47°
4
76°
54°
5
57°
32°
6
43°
29°
7
42°
22°
8
50°
33°
9
64°
38°
10
61°
36°
11
69°
47°
12
65°
44°
13
64°
42°
14
60°
38°
15
61°
33°
16
58°
27°
17
50°
27°
18
52°
28°
19
54°
32°
20
64°
41°
21
66°
42°
22
65°
41°
23
64°
42°
24
66°
43°
25
68°
43°
26
67°
42°
27
60°
36°
28
57°
34°
29
57°
38°
30
59°
41°
1
59°
37°
2
60°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Foster
Foster's April 2026 forecast shows daily high temperatures ranging from 42° to 76°, with overnight lows between 22° and 54°. The average high for April is 60° with an average low of 38°. 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 Foster. See also: May | June | July.
