S
M
T
W
T
F
S
26
55°
41°
27
64°
42°
28
62°
37°
29
63°
43°
30
65°
43°
1
62°
38°
2
64°
44°
3
68°
45°
4
68°
46°
5
67°
45°
6
69°
48°
7
69°
48°
8
68°
46°
9
67°
41°
10
65°
47°
11
61°
47°
12
68°
46°
13
66°
47°
14
66°
48°
15
71°
49°
16
72°
51°
17
72°
51°
18
73°
38°
19
65°
39°
20
65°
40°
21
66°
41°
22
65°
43°
23
66°
44°
24
62°
47°
25
66°
52°
26
68°
48°
27
75°
51°
28
69°
55°
29
70°
48°
30
77°
47°
31
70°
52°
1
76°
46°
2
78°
54°
3
80°
53°
4
78°
45°
5
71°
42°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Webster
Webster's May 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 37° and 55°. The average high for May is 68° with an average low of 46°. 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 Webster. See also: June | July | August.