S
M
T
W
T
F
S
26
56°
45°
27
57°
45°
28
58°
46°
29
57°
46°
30
57°
47°
31
58°
45°
1
56°
45°
2
57°
47°
3
56°
45°
4
56°
44°
5
55°
44°
6
55°
45°
7
56°
45°
8
55°
46°
9
56°
48°
10
62°
49°
11
62°
49°
12
61°
47°
13
62°
48°
14
62°
45°
15
61°
44°
16
61°
47°
17
60°
49°
18
58°
44°
19
61°
45°
20
61°
43°
21
58°
42°
22
56°
45°
23
58°
46°
24
60°
44°
25
60°
44°
26
59°
47°
27
59°
46°
28
58°
46°
29
59°
41°
30
56°
47°
31
58°
46°
1
59°
46°
2
58°
45°
3
55°
42°
4
53°
43°
5
54°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Hamilton
New Hamilton's August 2026 forecast shows daily high temperatures ranging from 53° to 62°, with overnight lows between 41° and 49°. The average high for August is 58° with an average low of 45°. 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 New Hamilton. See also: September | October | November.