S
M
T
W
T
F
S
26
82°
54°
27
82°
59°
28
81°
63°
29
70°
57°
30
63°
46°
1
66°
43°
2
68°
39°
3
70°
36°
4
81°
48°
5
70°
54°
6
70°
52°
7
68°
45°
8
75°
39°
9
81°
54°
10
84°
52°
11
72°
48°
12
79°
43°
13
81°
52°
14
72°
46°
15
81°
45°
16
86°
64°
17
88°
64°
18
88°
68°
19
90°
70°
20
81°
64°
21
77°
64°
22
77°
66°
23
82°
66°
24
81°
66°
25
79°
64°
26
83°
68°
27
82°
68°
28
81°
66°
29
77°
66°
30
81°
62°
31
81°
62°
1
82°
61°
2
85°
60°
3
82°
64°
4
78°
59°
5
82°
65°
6
83°
66°
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 77° to 85°, with overnight lows between 59° and 68°. The average high for May is 81° with an average low of 64°. 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.
