S
M
T
W
T
F
S
26
66°
41°
27
73°
35°
28
72°
38°
29
69°
45°
30
59°
47°
1
64°
34°
2
55°
37°
3
56°
35°
4
65°
43°
5
77°
57°
6
69°
56°
7
61°
43°
8
58°
39°
9
59°
40°
10
61°
45°
11
63°
46°
12
64°
44°
13
65°
46°
14
66°
45°
15
65°
47°
16
74°
51°
17
73°
50°
18
75°
51°
19
74°
50°
20
71°
51°
21
72°
50°
22
72°
47°
23
67°
44°
24
66°
45°
25
67°
45°
26
68°
49°
27
68°
45°
28
69°
46°
29
68°
45°
30
68°
46°
31
70°
54°
1
74°
51°
2
71°
47°
3
71°
52°
4
76°
55°
5
73°
53°
6
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Easthampton
Easthampton's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 35° and 57°. The average high for May is 68° with an average low of 47°. 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 Easthampton. See also: June | July | August.