S
M
T
W
T
F
S
26
84°
73°
27
86°
77°
28
86°
75°
29
84°
73°
30
90°
68°
1
68°
57°
2
75°
55°
3
77°
57°
4
79°
61°
5
82°
70°
6
84°
75°
7
79°
64°
8
75°
68°
9
90°
75°
10
86°
73°
11
81°
70°
12
81°
64°
13
90°
68°
14
88°
70°
15
86°
70°
16
86°
72°
17
84°
79°
18
84°
79°
19
86°
75°
20
82°
74°
21
80°
73°
22
82°
75°
23
82°
74°
24
81°
72°
25
82°
74°
26
82°
73°
27
84°
74°
28
84°
76°
29
84°
73°
30
86°
72°
31
87°
74°
1
88°
73°
2
90°
75°
3
86°
73°
4
86°
72°
5
87°
74°
6
85°
76°
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 80° to 90°, with overnight lows between 72° and 76°. The average high for May is 84° with an average low of 74°. 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.