S
M
T
W
T
F
S
26
76°
52°
27
77°
55°
28
77°
59°
29
78°
60°
30
83°
61°
31
84°
63°
1
84°
62°
2
85°
62°
3
85°
61°
4
84°
55°
5
79°
55°
6
75°
54°
7
75°
53°
8
76°
54°
9
78°
54°
10
79°
56°
11
80°
60°
12
81°
61°
13
82°
62°
14
81°
61°
15
82°
59°
16
84°
54°
17
76°
56°
18
75°
53°
19
77°
53°
20
81°
59°
21
81°
57°
22
74°
58°
23
77°
56°
24
79°
59°
25
81°
55°
26
74°
56°
27
75°
55°
28
78°
60°
29
77°
60°
30
79°
61°
31
80°
58°
1
79°
57°
2
77°
56°
3
78°
55°
4
73°
55°
5
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Humber Summit
Humber Summit's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 52° and 63°. The average high for August is 79° 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 August weather will actually feel in Humber Summit. See also: September | October | November.
