S
M
T
W
T
F
S
26
83°
61°
27
83°
61°
28
82°
60°
29
82°
60°
30
79°
56°
31
74°
53°
1
74°
53°
2
75°
54°
3
76°
59°
4
76°
58°
5
78°
56°
6
80°
60°
7
77°
59°
8
76°
58°
9
75°
59°
10
77°
51°
11
76°
53°
12
81°
57°
13
82°
59°
14
84°
60°
15
81°
58°
16
78°
60°
17
84°
59°
18
81°
52°
19
75°
51°
20
74°
50°
21
74°
50°
22
75°
51°
23
74°
50°
24
76°
50°
25
77°
51°
26
79°
51°
27
80°
53°
28
80°
53°
29
76°
56°
30
73°
52°
31
78°
52°
1
79°
47°
2
72°
46°
3
71°
48°
4
75°
55°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Berlin
New Berlin's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 46° and 61°. The average high for August is 78° 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 Berlin. See also: September | October | November.