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
81°
60°
6
86°
59°
7
85°
63°
8
87°
65°
9
88°
66°
10
87°
68°
11
88°
68°
12
86°
64°
13
83°
63°
14
84°
62°
15
84°
65°
16
83°
63°
17
82°
61°
18
76°
57°
19
75°
56°
20
72°
54°
21
74°
57°
22
74°
53°
23
73°
54°
24
75°
57°
25
75°
55°
26
74°
55°
27
74°
53°
28
75°
57°
29
74°
57°
30
72°
55°
31
73°
53°
1
72°
52°
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 72° to 88°, with overnight lows between 52° and 68°. The average high for July is 79° 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.
