S
M
T
W
T
F
S
26
72°
50°
27
73°
52°
28
73°
57°
29
64°
50°
30
59°
41°
1
57°
39°
2
55°
36°
3
63°
34°
4
77°
52°
5
64°
50°
6
59°
43°
7
61°
37°
8
72°
41°
9
75°
54°
10
72°
55°
11
72°
46°
12
77°
41°
13
72°
50°
14
66°
41°
15
72°
43°
16
75°
59°
17
86°
61°
18
86°
64°
19
86°
64°
20
70°
55°
21
68°
52°
22
63°
55°
23
72°
61°
24
72°
61°
25
77°
61°
26
71°
67°
27
78°
62°
28
81°
55°
29
75°
60°
30
79°
52°
31
78°
51°
1
78°
52°
2
78°
54°
3
76°
58°
4
80°
56°
5
82°
62°
6
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westport
Westport's May 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 51° and 67°. The average high for May is 78° with an average low of 58°. 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 Westport. See also: June | July | August.
