S
M
T
W
T
F
S
26
76°
43°
27
85°
44°
28
84°
60°
29
72°
66°
30
68°
62°
31
78°
62°
1
83°
65°
2
84°
68°
3
82°
64°
4
85°
63°
5
84°
64°
6
85°
65°
7
84°
66°
8
85°
66°
9
87°
68°
10
86°
64°
11
84°
63°
12
80°
66°
13
81°
67°
14
85°
66°
15
81°
61°
16
78°
60°
17
78°
63°
18
79°
62°
19
77°
62°
20
77°
60°
21
78°
65°
22
78°
65°
23
79°
64°
24
77°
62°
25
78°
60°
26
77°
58°
27
76°
60°
28
76°
59°
29
75°
57°
30
76°
59°
31
78°
63°
1
80°
65°
2
80°
64°
3
79°
63°
4
75°
61°
5
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Newton
Newton's August 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 57° and 68°. The average high for August is 80° with an average low of 63°. 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 Newton. See also: September | October | November.
