S
M
T
W
T
F
S
28
66°
59°
29
66°
57°
30
68°
57°
1
68°
57°
2
72°
54°
3
72°
52°
4
68°
59°
5
68°
59°
6
75°
59°
7
70°
59°
8
82°
59°
9
81°
59°
10
91°
63°
11
88°
68°
12
86°
63°
13
77°
59°
14
81°
59°
15
81°
61°
16
82°
63°
17
77°
61°
18
75°
61°
19
73°
61°
20
73°
57°
21
77°
57°
22
72°
57°
23
75°
61°
24
75°
55°
25
72°
55°
26
72°
61°
27
68°
55°
28
75°
63°
29
75°
59°
30
72°
54°
31
70°
50°
1
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Newton
Newton's July 2026 forecast shows daily high temperatures ranging from 72° to 72°, with overnight lows between 52° and 52°. The average high for July is 72° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Newton. See also: August | September | October.