S
M
T
W
T
F
S
26
66°
42°
27
62°
48°
28
63°
45°
29
51°
34°
30
49°
29°
1
47°
26°
2
62°
24°
3
72°
45°
4
78°
36°
5
55°
36°
6
52°
27°
7
57°
28°
8
70°
25°
9
63°
36°
10
61°
27°
11
60°
27°
12
79°
40°
13
61°
33°
14
70°
50°
15
78°
54°
16
82°
52°
17
68°
58°
18
76°
52°
19
64°
44°
20
62°
46°
21
63°
45°
22
66°
47°
23
68°
48°
24
72°
51°
25
71°
54°
26
72°
49°
27
66°
54°
28
70°
53°
29
67°
52°
30
66°
51°
31
67°
48°
1
68°
46°
2
67°
46°
3
68°
50°
4
71°
57°
5
79°
59°
6
78°
59°
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 61° to 82°, with overnight lows between 33° and 59°. The average high for May is 70° with an average low of 50°. 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.
