S
M
T
W
T
F
S
26
58°
29°
27
59°
30°
28
58°
29°
29
60°
30°
30
60°
29°
1
61°
30°
2
63°
38°
3
62°
34°
4
61°
32°
5
61°
31°
6
62°
31°
7
63°
35°
8
64°
37°
9
65°
32°
10
65°
33°
11
66°
34°
12
65°
34°
13
63°
35°
14
63°
33°
15
64°
33°
16
65°
34°
17
67°
40°
18
70°
40°
19
68°
39°
20
68°
38°
21
74°
43°
22
80°
40°
23
80°
39°
24
78°
36°
25
73°
42°
26
78°
44°
27
83°
39°
28
82°
40°
29
78°
40°
30
82°
41°
31
83°
37°
1
73°
38°
2
76°
40°
3
79°
42°
4
77°
41°
5
71°
37°
6
72°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fall River Mills
Fall River Mills's May 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 29° and 44°. The average high for May is 69° with an average low of 36°. 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 Fall River Mills. See also: June | July | August.