S
M
T
W
T
F
S
26
79°
60°
27
80°
61°
28
77°
61°
29
73°
60°
30
73°
62°
31
75°
63°
1
76°
63°
2
80°
64°
3
79°
65°
4
80°
63°
5
76°
61°
6
73°
62°
7
75°
63°
8
75°
60°
9
73°
63°
10
76°
58°
11
72°
56°
12
72°
60°
13
76°
63°
14
76°
58°
15
71°
55°
16
71°
56°
17
72°
60°
18
74°
62°
19
72°
63°
20
76°
62°
21
76°
62°
22
72°
61°
23
71°
61°
24
77°
57°
25
75°
59°
26
79°
52°
27
71°
51°
28
68°
52°
29
67°
53°
30
66°
51°
31
67°
55°
1
69°
58°
2
70°
61°
3
70°
62°
4
77°
59°
5
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Newburgh
Newburgh's August 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 51° and 65°. The average high for August is 74° with an average low of 59°. 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 Newburgh. See also: September | October | November.