S
M
T
W
T
F
S
31
91°
77°
1
88°
76°
2
87°
73°
3
84°
70°
4
86°
65°
5
87°
67°
6
88°
71°
7
92°
71°
8
91°
72°
9
90°
74°
10
89°
74°
11
86°
73°
12
88°
73°
13
87°
74°
14
88°
73°
15
87°
75°
16
87°
75°
17
89°
74°
18
89°
75°
19
90°
75°
20
91°
74°
21
91°
76°
22
90°
76°
23
91°
75°
24
91°
76°
25
90°
76°
26
90°
75°
27
89°
75°
28
90°
76°
29
89°
76°
30
88°
75°
1
88°
76°
2
87°
75°
3
88°
75°
4
88°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lake Forest
Lake Forest's June 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 65° and 76°. The average high for June is 89° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Lake Forest. See also: July | August | September.
