S
M
T
W
T
F
S
26
86°
66°
27
86°
67°
28
87°
67°
29
87°
69°
30
88°
68°
31
86°
68°
1
87°
67°
2
90°
67°
3
91°
71°
4
90°
70°
5
90°
71°
6
89°
66°
7
86°
66°
8
85°
67°
9
86°
66°
10
86°
66°
11
87°
67°
12
86°
66°
13
88°
69°
14
89°
68°
15
90°
69°
16
90°
69°
17
89°
70°
18
89°
69°
19
88°
68°
20
88°
69°
21
87°
69°
22
88°
68°
23
88°
69°
24
87°
68°
25
88°
69°
26
87°
68°
27
89°
67°
28
87°
68°
29
86°
69°
30
87°
67°
31
88°
68°
1
87°
67°
2
87°
66°
3
86°
67°
4
87°
67°
5
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hamilton
Hamilton's August 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 66° and 71°. The average high for August is 88° with an average low of 68°. 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 Hamilton. See also: September | October | November.
