S
M
T
W
T
F
S
26
54°
40°
27
59°
35°
28
66°
30°
29
72°
35°
30
77°
39°
1
74°
40°
2
73°
45°
3
77°
46°
4
63°
46°
5
77°
45°
6
80°
49°
7
75°
47°
8
78°
47°
9
84°
43°
10
83°
43°
11
86°
46°
12
83°
49°
13
69°
41°
14
77°
39°
15
71°
42°
16
61°
40°
17
61°
38°
18
68°
39°
19
74°
39°
20
77°
45°
21
81°
44°
22
85°
46°
23
80°
48°
24
83°
47°
25
79°
46°
26
61°
40°
27
60°
42°
28
74°
50°
29
73°
42°
30
77°
40°
31
80°
43°
1
82°
44°
2
86°
45°
3
87°
46°
4
88°
46°
5
87°
45°
6
79°
42°
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 60° to 88°, with overnight lows between 40° and 50°. The average high for May is 78° with an average low of 44°. 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.