S
M
T
W
T
F
S
28
N/A
29
72°
58°
30
71°
56°
1
73°
59°
2
75°
55°
3
75°
59°
4
81°
64°
5
80°
62°
6
86°
65°
7
89°
66°
8
91°
66°
9
90°
65°
10
89°
67°
11
91°
68°
12
75°
57°
13
76°
56°
14
75°
56°
15
74°
54°
16
73°
56°
17
75°
57°
18
75°
56°
19
72°
54°
20
70°
57°
21
75°
57°
22
75°
58°
23
76°
58°
24
75°
57°
25
76°
58°
26
77°
57°
27
77°
57°
28
76°
58°
29
77°
59°
30
78°
59°
31
79°
60°
1
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Upper Walthamstow
Upper Walthamstow's July 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 54° and 68°. The average high for July is 78° 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 Upper Walthamstow. See also: August | September | October.