S
M
T
W
T
F
S
31
71°
49°
1
71°
53°
2
73°
49°
3
N/A
4
85°
69°
5
79°
67°
6
83°
57°
7
74°
63°
8
81°
64°
9
82°
66°
10
82°
65°
11
83°
66°
12
84°
68°
13
82°
63°
14
80°
65°
15
78°
61°
16
75°
63°
17
78°
58°
18
79°
61°
19
80°
62°
20
80°
62°
21
76°
55°
22
72°
55°
23
76°
64°
24
82°
65°
25
84°
60°
26
77°
59°
27
75°
61°
28
76°
63°
29
79°
65°
30
80°
65°
1
79°
64°
2
80°
65°
3
84°
66°
4
83°
65°
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 72° to 85°, with overnight lows between 55° and 69°. The average high for June is 80° with an average low of 63°. 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.
