S
M
T
W
T
F
S
26
83°
68°
27
89°
67°
28
87°
70°
29
85°
68°
30
85°
70°
31
88°
70°
1
87°
69°
2
90°
71°
3
90°
70°
4
89°
70°
5
90°
69°
6
89°
69°
7
90°
70°
8
90°
71°
9
91°
70°
10
91°
70°
11
89°
69°
12
89°
70°
13
88°
69°
14
85°
66°
15
84°
63°
16
83°
63°
17
84°
67°
18
83°
65°
19
85°
68°
20
88°
68°
21
85°
67°
22
85°
68°
23
87°
67°
24
90°
66°
25
88°
68°
26
85°
67°
27
84°
65°
28
85°
67°
29
88°
65°
30
86°
67°
31
84°
67°
1
84°
66°
2
85°
67°
3
83°
66°
4
83°
60°
5
81°
58°
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 81° to 91°, with overnight lows between 58° and 71°. The average high for August is 87° with an average low of 67°. 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.
