S
M
T
W
T
F
S
26
80°
64°
27
83°
58°
28
79°
57°
29
76°
63°
30
82°
62°
31
78°
63°
1
82°
63°
2
84°
58°
3
78°
57°
4
77°
56°
5
78°
55°
6
78°
57°
7
82°
56°
8
76°
56°
9
80°
58°
10
83°
60°
11
81°
59°
12
83°
63°
13
84°
64°
14
83°
64°
15
83°
59°
16
84°
55°
17
76°
55°
18
76°
56°
19
74°
58°
20
74°
55°
21
75°
53°
22
76°
60°
23
75°
62°
24
82°
61°
25
83°
57°
26
84°
52°
27
75°
52°
28
73°
51°
29
73°
52°
30
74°
59°
31
80°
60°
1
81°
60°
2
81°
55°
3
77°
53°
4
79°
58°
5
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thornton Heights
Thornton Heights's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 51° and 64°. The average high for August is 79° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Thornton Heights. See also: September | October | November.
