S
M
T
W
T
F
S
26
58°
47°
27
59°
50°
28
60°
44°
29
56°
44°
30
55°
46°
31
58°
48°
1
62°
53°
2
55°
53°
3
55°
50°
4
51°
49°
5
55°
51°
6
56°
48°
7
57°
49°
8
54°
50°
9
58°
50°
10
60°
52°
11
62°
49°
12
N/A
13
64°
54°
14
69°
56°
15
72°
58°
16
64°
54°
17
61°
51°
18
56°
51°
19
57°
49°
20
59°
45°
21
54°
44°
22
49°
46°
23
51°
44°
24
52°
36°
25
51°
45°
26
54°
47°
27
56°
46°
28
55°
47°
29
53°
45°
30
52°
43°
31
52°
43°
1
51°
44°
2
52°
46°
3
52°
46°
4
51°
43°
5
51°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in New Hamilton
New Hamilton's August 2026 forecast shows daily high temperatures ranging from 49° to 72°, with overnight lows between 36° and 58°. The average high for August is 56° with an average low of 47°. 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.