S
M
T
W
T
F
S
31
81°
59°
1
77°
58°
2
85°
53°
3
84°
57°
4
88°
64°
5
89°
66°
6
87°
65°
7
89°
66°
8
86°
65°
9
85°
63°
10
85°
65°
11
84°
63°
12
82°
61°
13
81°
62°
14
83°
59°
15
75°
55°
16
74°
55°
17
75°
56°
18
77°
60°
19
77°
60°
20
78°
63°
21
78°
62°
22
81°
65°
23
81°
63°
24
82°
63°
25
81°
66°
26
86°
66°
27
83°
62°
28
79°
59°
29
79°
59°
30
80°
60°
1
81°
65°
2
83°
67°
3
83°
66°
4
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in LaSalle
LaSalle's June 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 53° and 67°. The average high for June is 82° with an average low of 62°. 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 LaSalle. See also: July | August | September.