S
M
T
W
T
F
S
26
45°
32°
27
52°
31°
28
55°
30°
29
58°
28°
30
62°
30°
1
66°
32°
2
70°
32°
3
74°
31°
4
75°
34°
5
62°
47°
6
64°
34°
7
72°
38°
8
76°
37°
9
73°
39°
10
76°
35°
11
85°
35°
12
86°
44°
13
87°
44°
14
70°
34°
15
75°
34°
16
66°
34°
17
49°
34°
18
54°
30°
19
59°
35°
20
64°
41°
21
60°
39°
22
65°
44°
23
74°
51°
24
80°
55°
25
81°
53°
26
70°
47°
27
76°
49°
28
78°
49°
29
76°
48°
30
76°
48°
31
73°
44°
1
69°
45°
2
71°
44°
3
74°
45°
4
77°
49°
5
78°
50°
6
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Newton
Newton's May 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 30° and 55°. The average high for May is 72° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Newton. See also: June | July | August.
