S
M
T
W
T
F
S
26
66°
41°
27
63°
45°
28
57°
39°
29
63°
36°
30
72°
39°
1
64°
45°
2
61°
41°
3
57°
48°
4
55°
46°
5
52°
41°
6
55°
43°
7
57°
43°
8
61°
43°
9
61°
46°
10
55°
39°
11
52°
36°
12
59°
34°
13
54°
43°
14
55°
41°
15
54°
39°
16
N/A
17
57°
43°
18
60°
50°
19
62°
50°
20
65°
50°
21
69°
53°
22
73°
53°
23
72°
51°
24
73°
53°
25
71°
53°
26
69°
49°
27
69°
48°
28
70°
49°
29
60°
44°
30
61°
46°
31
60°
47°
1
61°
45°
2
61°
45°
3
63°
50°
4
62°
51°
5
65°
52°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Seifton
Seifton's May 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 43° and 53°. The average high for May is 65° with an average low of 49°. 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 Seifton. See also: June | July | August.