S
M
T
W
T
F
S
28
74°
54°
29
74°
52°
30
69°
50°
1
69°
51°
2
73°
52°
3
74°
48°
4
74°
54°
5
75°
54°
6
74°
55°
7
74°
55°
8
75°
54°
9
76°
54°
10
76°
55°
11
75°
56°
12
76°
56°
13
77°
57°
14
78°
54°
15
77°
53°
16
76°
51°
17
76°
54°
18
75°
55°
19
76°
56°
20
77°
56°
21
78°
57°
22
78°
57°
23
77°
56°
24
77°
54°
25
75°
53°
26
72°
52°
27
77°
51°
28
78°
54°
29
78°
56°
30
75°
55°
31
74°
55°
1
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sidcup
Sidcup's July 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 48° and 57°. The average high for July is 75° with an average low of 54°. 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 Sidcup. See also: August | September | October.