S
M
T
W
T
F
S
26
89°
66°
27
89°
68°
28
89°
68°
29
92°
64°
30
93°
69°
1
94°
71°
2
91°
69°
3
81°
63°
4
86°
63°
5
88°
67°
6
95°
69°
7
96°
70°
8
95°
66°
9
96°
71°
10
96°
75°
11
95°
74°
12
95°
73°
13
91°
71°
14
91°
72°
15
93°
65°
16
96°
75°
17
96°
75°
18
92°
71°
19
95°
75°
20
93°
69°
21
93°
73°
22
96°
73°
23
97°
73°
24
95°
72°
25
92°
71°
26
93°
70°
27
92°
71°
28
90°
70°
29
90°
71°
30
91°
72°
31
88°
71°
1
90°
69°
2
89°
70°
3
89°
72°
4
87°
71°
5
88°
72°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brewster
Brewster's May 2026 forecast shows daily high temperatures ranging from 87° to 97°, with overnight lows between 69° and 73°. The average high for May is 91° with an average low of 71°. 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 Brewster. See also: June | July | August.