S
M
T
W
T
F
S
26
59°
39°
27
65°
36°
28
62°
37°
29
61°
44°
30
54°
46°
1
62°
46°
2
56°
45°
3
53°
37°
4
69°
39°
5
72°
48°
6
68°
56°
7
64°
48°
8
61°
39°
9
61°
36°
10
70°
51°
11
60°
41°
12
63°
39°
13
64°
47°
14
64°
48°
15
61°
45°
16
75°
44°
17
86°
55°
18
82°
56°
19
91°
64°
20
90°
64°
21
68°
51°
22
63°
46°
23
64°
46°
24
55°
50°
25
71°
54°
26
81°
53°
27
82°
58°
28
71°
56°
29
70°
49°
30
58°
41°
31
69°
45°
1
60°
36°
2
71°
45°
3
77°
49°
4
84°
52°
5
87°
59°
6
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Attleboro Falls
Attleboro Falls's May 2026 forecast shows daily high temperatures ranging from 60° to 87°, with overnight lows between 36° and 59°. The average high for May is 76° with an average low of 49°. 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 Attleboro Falls. See also: June | July | August.