S
M
T
W
T
F
S
26
67°
52°
27
74°
54°
28
74°
54°
29
73°
53°
30
75°
53°
1
67°
52°
2
65°
48°
3
65°
47°
4
71°
55°
5
74°
57°
6
73°
56°
7
76°
55°
8
68°
48°
9
66°
47°
10
68°
57°
11
69°
58°
12
73°
59°
13
79°
59°
14
80°
60°
15
79°
60°
16
80°
59°
17
74°
52°
18
69°
50°
19
71°
57°
20
73°
57°
21
73°
54°
22
74°
56°
23
75°
52°
24
76°
53°
25
78°
57°
26
77°
57°
27
75°
59°
28
76°
59°
29
77°
61°
30
78°
56°
31
78°
59°
1
82°
59°
2
87°
61°
3
87°
64°
4
84°
64°
5
81°
66°
6
80°
65°
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 65° to 87°, with overnight lows between 47° and 66°. The average high for May is 75° with an average low of 56°. 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.
