S
M
T
W
T
F
S
26
82°
62°
27
82°
62°
28
81°
61°
29
81°
60°
30
74°
56°
31
73°
53°
1
73°
53°
2
74°
57°
3
75°
60°
4
78°
60°
5
77°
59°
6
74°
60°
7
77°
59°
8
75°
59°
9
74°
57°
10
75°
51°
11
77°
57°
12
79°
59°
13
81°
60°
14
82°
58°
15
80°
59°
16
78°
59°
17
82°
52°
18
76°
51°
19
71°
50°
20
70°
49°
21
71°
48°
22
72°
49°
23
73°
49°
24
75°
50°
25
77°
50°
26
78°
57°
27
78°
53°
28
74°
49°
29
69°
52°
30
72°
52°
31
73°
49°
1
76°
46°
2
70°
47°
3
69°
49°
4
73°
56°
5
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Hamburg
New Hamburg's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 46° and 62°. The average high for August is 76° with an average low of 55°. 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 Hamburg. See also: September | October | November.