S
M
T
W
T
F
S
26
81°
61°
27
82°
70°
28
77°
69°
29
69°
57°
30
66°
51°
1
70°
51°
2
72°
50°
3
78°
46°
4
81°
63°
5
78°
58°
6
61°
51°
7
69°
51°
8
79°
58°
9
82°
59°
10
78°
60°
11
80°
60°
12
85°
62°
13
83°
60°
14
86°
63°
15
86°
63°
16
88°
67°
17
81°
60°
18
77°
64°
19
83°
65°
20
82°
65°
21
84°
59°
22
77°
57°
23
77°
58°
24
78°
59°
25
76°
59°
26
77°
58°
27
78°
59°
28
79°
60°
29
80°
64°
30
83°
67°
31
81°
68°
1
81°
68°
2
82°
64°
3
81°
68°
4
82°
69°
5
82°
69°
6
81°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westbrook
Westbrook's May 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 51° and 69°. The average high for May is 80° with an average low of 62°. 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 Westbrook. See also: June | July | August.
