S
M
T
W
T
F
S
28
77°
55°
29
71°
51°
30
72°
52°
1
73°
54°
2
74°
56°
3
74°
54°
4
75°
53°
5
74°
54°
6
75°
61°
7
82°
62°
8
83°
62°
9
83°
61°
10
78°
60°
11
80°
61°
12
82°
56°
13
75°
54°
14
76°
60°
15
80°
62°
16
80°
55°
17
76°
54°
18
74°
54°
19
75°
59°
20
76°
58°
21
76°
55°
22
77°
58°
23
76°
55°
24
77°
61°
25
81°
62°
26
83°
63°
27
82°
55°
28
77°
56°
29
78°
60°
30
77°
58°
31
77°
54°
1
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Humber Summit
Humber Summit's July 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 51° and 63°. The average high for July is 77° with an average low of 57°. 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 Humber Summit. See also: August | September | October.