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
68°
60°
10
75°
57°
11
81°
56°
12
79°
57°
13
82°
59°
14
83°
59°
15
84°
60°
16
86°
61°
17
88°
62°
18
87°
65°
19
87°
63°
20
88°
64°
21
86°
65°
22
87°
58°
23
83°
62°
24
83°
62°
25
84°
61°
26
84°
63°
27
82°
63°
28
82°
62°
29
79°
62°
30
79°
61°
1
80°
62°
2
83°
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 68° to 88°, with overnight lows between 56° and 65°. The average high for April is 83° 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.
