S
M
T
W
T
F
S
26
51°
41°
27
55°
45°
28
51°
43°
29
49°
43°
30
56°
46°
1
59°
46°
2
55°
47°
3
52°
42°
4
59°
41°
5
59°
51°
6
63°
54°
7
60°
47°
8
59°
41°
9
61°
44°
10
61°
51°
11
59°
44°
12
57°
43°
13
59°
50°
14
56°
50°
15
55°
45°
16
61°
45°
17
83°
54°
18
66°
58°
19
76°
60°
20
79°
55°
21
62°
47°
22
60°
49°
23
59°
52°
24
63°
52°
25
65°
54°
26
64°
54°
27
68°
55°
28
69°
56°
29
69°
57°
30
70°
52°
31
62°
56°
1
63°
52°
2
62°
53°
3
62°
54°
4
63°
57°
5
64°
57°
6
69°
58°
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 59° to 83°, with overnight lows between 47° and 60°. The average high for May is 67° with an average low of 54°. 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.