S
M
T
W
T
F
S
26
86°
68°
27
87°
70°
28
83°
68°
29
83°
63°
30
87°
63°
31
85°
66°
1
80°
67°
2
77°
65°
3
82°
61°
4
79°
60°
5
82°
60°
6
85°
69°
7
81°
70°
8
90°
71°
9
82°
63°
10
84°
68°
11
80°
69°
12
76°
67°
13
79°
66°
14
82°
70°
15
79°
68°
16
87°
71°
17
83°
66°
18
83°
61°
19
85°
67°
20
82°
66°
21
80°
61°
22
75°
60°
23
77°
59°
24
79°
54°
25
77°
57°
26
79°
63°
27
81°
62°
28
78°
60°
29
79°
63°
30
84°
69°
31
87°
70°
1
86°
66°
2
82°
67°
3
81°
66°
4
83°
66°
5
75°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amherstburg
Amherstburg's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 60° and 70°. The average high for August is 81° with an average low of 65°. 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 Amherstburg. See also: September | October | November.