S
M
T
W
T
F
S
26
58°
37°
27
65°
40°
28
62°
50°
29
50°
40°
30
50°
32°
1
48°
31°
2
46°
29°
3
53°
42°
4
60°
49°
5
55°
40°
6
54°
39°
7
50°
38°
8
51°
37°
9
51°
39°
10
53°
38°
11
54°
39°
12
58°
43°
13
59°
42°
14
60°
41°
15
59°
40°
16
58°
42°
17
59°
43°
18
60°
49°
19
65°
48°
20
66°
48°
21
66°
49°
22
65°
45°
23
61°
48°
24
66°
43°
25
61°
42°
26
62°
49°
27
62°
50°
28
70°
51°
29
67°
49°
30
64°
46°
31
64°
43°
1
62°
44°
2
62°
44°
3
64°
45°
4
64°
45°
5
65°
48°
6
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Zephyr
Zephyr's May 2026 forecast shows daily high temperatures ranging from 46° to 70°, with overnight lows between 29° and 51°. The average high for May is 59° with an average low of 43°. 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 Zephyr. See also: June | July | August.