S
M
T
W
T
F
S
26
63°
41°
27
59°
41°
28
54°
36°
29
57°
37°
30
54°
37°
1
54°
34°
2
68°
28°
3
73°
46°
4
68°
41°
5
54°
32°
6
55°
27°
7
65°
38°
8
72°
47°
9
64°
36°
10
66°
39°
11
73°
51°
12
74°
41°
13
72°
49°
14
76°
49°
15
74°
48°
16
76°
54°
17
78°
54°
18
74°
51°
19
70°
52°
20
70°
48°
21
64°
47°
22
64°
49°
23
64°
49°
24
66°
53°
25
68°
54°
26
67°
54°
27
68°
55°
28
71°
55°
29
74°
54°
30
76°
56°
31
78°
57°
1
76°
55°
2
79°
59°
3
80°
59°
4
77°
54°
5
68°
53°
6
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sibley
Sibley's May 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 36° and 59°. The average high for May is 71° with an average low of 51°. 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 Sibley. See also: June | July | August.
