S
M
T
W
T
F
S
26
81°
64°
27
82°
63°
28
77°
63°
29
77°
62°
30
79°
64°
31
83°
65°
1
83°
64°
2
80°
62°
3
85°
63°
4
85°
56°
5
78°
56°
6
79°
57°
7
80°
58°
8
75°
57°
9
75°
56°
10
76°
58°
11
78°
62°
12
82°
62°
13
79°
55°
14
76°
54°
15
76°
54°
16
77°
60°
17
77°
57°
18
76°
54°
19
76°
54°
20
77°
53°
21
77°
55°
22
81°
61°
23
82°
61°
24
82°
62°
25
83°
60°
26
81°
61°
27
82°
56°
28
80°
61°
29
81°
59°
30
76°
52°
31
73°
50°
1
70°
51°
2
70°
49°
3
71°
49°
4
71°
50°
5
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ancaster Heights
Ancaster Heights's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 49° and 65°. The average high for August is 78° with an average low of 58°. 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 Ancaster Heights. See also: September | October | November.