S
M
T
W
T
F
S
28
77°
59°
29
72°
54°
30
77°
61°
1
77°
61°
2
77°
57°
3
81°
52°
4
82°
59°
5
82°
59°
6
90°
61°
7
88°
63°
8
90°
64°
9
93°
63°
10
90°
68°
11
84°
63°
12
89°
57°
13
85°
62°
14
89°
65°
15
89°
67°
16
90°
65°
17
83°
63°
18
78°
59°
19
75°
57°
20
74°
58°
21
79°
61°
22
79°
61°
23
80°
63°
24
70°
54°
25
72°
56°
26
69°
55°
27
69°
54°
28
70°
55°
29
73°
56°
30
74°
56°
31
74°
55°
1
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harrow
Harrow's July 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 54° and 67°. 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 Harrow. See also: August | September | October.
