S
M
T
W
T
F
S
26
60°
36°
27
65°
30°
28
59°
32°
29
56°
45°
30
55°
46°
1
65°
40°
2
59°
41°
3
56°
31°
4
72°
42°
5
79°
48°
6
72°
51°
7
66°
42°
8
61°
42°
9
57°
49°
10
74°
47°
11
57°
41°
12
59°
40°
13
57°
43°
14
60°
44°
15
64°
48°
16
64°
46°
17
65°
47°
18
61°
46°
19
67°
47°
20
63°
44°
21
64°
45°
22
64°
44°
23
65°
46°
24
65°
51°
25
66°
52°
26
72°
53°
27
71°
49°
28
68°
46°
29
66°
49°
30
68°
51°
31
74°
55°
1
73°
55°
2
68°
54°
3
71°
54°
4
74°
55°
5
73°
56°
6
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Needham
Needham's May 2026 forecast shows daily high temperatures ranging from 57° to 76°, with overnight lows between 40° and 56°. The average high for May is 66° with an average low of 48°. 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 Needham. See also: June | July | August.
