S
M
T
W
T
F
S
26
76°
60°
27
76°
58°
28
78°
62°
29
81°
62°
30
79°
61°
31
79°
62°
1
82°
61°
2
81°
62°
3
78°
62°
4
81°
61°
5
76°
58°
6
79°
61°
7
80°
59°
8
75°
55°
9
74°
55°
10
74°
58°
11
75°
60°
12
76°
60°
13
79°
62°
14
81°
61°
15
81°
58°
16
74°
54°
17
74°
50°
18
75°
53°
19
79°
60°
20
78°
57°
21
81°
59°
22
80°
56°
23
78°
53°
24
73°
50°
25
73°
55°
26
75°
51°
27
76°
51°
28
77°
53°
29
79°
56°
30
79°
57°
31
78°
57°
1
79°
58°
2
78°
54°
3
77°
48°
4
70°
46°
5
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Halton Hills
Halton Hills's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 46° and 62°. The average high for August 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 August weather will actually feel in Halton Hills. See also: September | October | November.
