S
M
T
W
T
F
S
31
91°
77°
1
91°
79°
2
93°
78°
3
84°
69°
4
87°
65°
5
89°
63°
6
90°
63°
7
91°
66°
8
93°
67°
9
91°
69°
10
90°
71°
11
90°
72°
12
92°
72°
13
92°
73°
14
91°
74°
15
91°
73°
16
91°
73°
17
N/A
18
94°
77°
19
94°
75°
20
90°
74°
21
93°
74°
22
93°
76°
23
94°
77°
24
93°
74°
25
92°
75°
26
94°
75°
27
90°
74°
28
90°
75°
29
91°
75°
30
92°
74°
1
91°
75°
2
89°
76°
3
89°
76°
4
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Lake Forest
Lake Forest's June 2026 forecast shows daily high temperatures ranging from 89° to 94°, with overnight lows between 74° and 77°. The average high for June is 92° with an average low of 75°. 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.
