S
M
T
W
T
F
S
26
60°
43°
27
73°
41°
28
70°
50°
29
64°
47°
30
51°
42°
1
55°
34°
2
47°
34°
3
58°
34°
4
72°
48°
5
75°
59°
6
60°
46°
7
60°
41°
8
61°
41°
9
66°
48°
10
64°
47°
11
63°
42°
12
69°
41°
13
67°
47°
14
51°
43°
15
66°
42°
16
74°
60°
17
83°
62°
18
91°
66°
19
87°
66°
20
72°
47°
21
63°
48°
22
67°
52°
23
72°
56°
24
73°
55°
25
73°
57°
26
75°
55°
27
78°
56°
28
76°
55°
29
77°
51°
30
78°
57°
31
77°
56°
1
75°
56°
2
75°
57°
3
74°
57°
4
72°
55°
5
71°
52°
6
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rillton
Rillton's May 2026 forecast shows daily high temperatures ranging from 63° to 91°, with overnight lows between 47° and 66°. The average high for May is 75° with an average low of 56°. 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 Rillton. See also: June | July | August.