S
M
T
W
T
F
S
28
79°
64°
29
77°
59°
30
75°
64°
1
79°
64°
2
77°
63°
3
81°
59°
4
84°
63°
5
82°
64°
6
90°
66°
7
88°
68°
8
87°
66°
9
90°
65°
10
84°
60°
11
80°
59°
12
80°
58°
13
77°
60°
14
82°
61°
15
83°
62°
16
82°
62°
17
83°
64°
18
81°
64°
19
78°
59°
20
76°
60°
21
74°
57°
22
75°
57°
23
73°
55°
24
71°
54°
25
70°
57°
26
70°
57°
27
71°
56°
28
74°
56°
29
72°
52°
30
75°
55°
31
74°
56°
1
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Thornton Heath
Thornton Heath's July 2026 forecast shows daily high temperatures ranging from 70° to 90°, with overnight lows between 52° and 66°. The average high for July is 77° 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 July weather will actually feel in Thornton Heath. See also: August | September | October.
