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