S
M
T
W
T
F
S
31
68°
37°
1
68°
41°
2
72°
37°
3
77°
39°
4
79°
43°
5
82°
46°
6
79°
59°
7
68°
59°
8
75°
52°
9
86°
54°
10
82°
66°
11
90°
63°
12
82°
59°
13
79°
52°
14
75°
54°
15
61°
45°
16
72°
41°
17
77°
52°
18
76°
61°
19
71°
54°
20
71°
53°
21
72°
56°
22
62°
56°
23
73°
54°
24
74°
57°
25
77°
58°
26
74°
57°
27
74°
57°
28
77°
60°
29
78°
63°
30
79°
64°
1
79°
64°
2
80°
63°
3
78°
60°
4
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Thornton Heights
Thornton Heights's June 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 53° and 64°. The average high for June is 75° with an average low of 59°. 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 Thornton Heights. See also: July | August | September.
