S
M
T
W
T
F
S
26
54°
44°
27
51°
46°
28
54°
44°
29
52°
46°
30
57°
47°
1
54°
46°
2
55°
46°
3
54°
45°
4
54°
46°
5
56°
49°
6
61°
50°
7
60°
49°
8
55°
49°
9
55°
48°
10
56°
50°
11
61°
51°
12
63°
51°
13
63°
52°
14
62°
53°
15
59°
43°
16
59°
44°
17
61°
46°
18
60°
50°
19
63°
45°
20
62°
46°
21
58°
51°
22
64°
53°
23
64°
53°
24
65°
54°
25
66°
53°
26
61°
52°
27
67°
52°
28
67°
50°
29
66°
51°
30
66°
49°
31
66°
51°
1
67°
56°
2
65°
57°
3
69°
55°
4
71°
55°
5
71°
57°
6
70°
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 51° to 71°, with overnight lows between 43° and 58°. The average high for May is 61° with an average low of 50°. 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.