S
M
T
W
T
F
S
29
73°
56°
30
80°
53°
31
82°
56°
1
83°
57°
2
83°
57°
3
85°
64°
4
85°
62°
5
90°
61°
6
71°
60°
7
66°
57°
8
68°
62°
9
72°
62°
10
78°
59°
11
81°
54°
12
81°
51°
13
82°
53°
14
86°
54°
15
87°
55°
16
85°
60°
17
92°
61°
18
92°
65°
19
86°
58°
20
73°
53°
21
76°
54°
22
77°
53°
23
84°
60°
24
88°
65°
25
88°
65°
26
87°
64°
27
86°
63°
28
83°
63°
29
84°
59°
30
83°
63°
1
84°
62°
2
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lake Forest
Lake Forest's April 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 53° and 65°. The average high for April is 84° with an average low of 61°. 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 Lake Forest. See also: May | June | July.
