S
M
T
W
T
F
S
26
55°
47°
27
68°
39°
28
68°
40°
29
69°
45°
30
71°
51°
1
68°
38°
2
59°
42°
3
64°
44°
4
75°
56°
5
82°
62°
6
79°
57°
7
69°
45°
8
67°
44°
9
67°
46°
10
71°
48°
11
72°
53°
12
70°
51°
13
71°
56°
14
74°
59°
15
76°
56°
16
79°
60°
17
80°
59°
18
81°
61°
19
81°
62°
20
80°
62°
21
80°
61°
22
77°
54°
23
73°
54°
24
73°
55°
25
74°
58°
26
76°
58°
27
74°
56°
28
75°
58°
29
76°
57°
30
75°
61°
31
77°
64°
1
80°
64°
2
77°
63°
3
77°
63°
4
81°
65°
5
82°
65°
6
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rumford
Rumford's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 42° and 66°. The average high for May is 75° with an average low of 57°. 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 Rumford. See also: June | July | August.