S
M
T
W
T
F
S
26
82°
53°
27
70°
59°
28
69°
59°
29
66°
49°
30
64°
42°
1
60°
45°
2
58°
42°
3
68°
39°
4
79°
55°
5
69°
46°
6
61°
46°
7
64°
40°
8
74°
47°
9
77°
56°
10
71°
55°
11
74°
47°
12
81°
47°
13
73°
54°
14
68°
45°
15
80°
49°
16
81°
65°
17
86°
65°
18
85°
67°
19
87°
66°
20
68°
58°
21
70°
58°
22
65°
58°
23
73°
61°
24
77°
60°
25
80°
56°
26
76°
68°
27
79°
62°
28
85°
59°
29
76°
61°
30
80°
56°
31
77°
54°
1
79°
57°
2
80°
55°
3
78°
58°
4
78°
58°
5
84°
63°
6
87°
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 76° to 87°, with overnight lows between 54° and 68°. The average high for May is 80° with an average low of 60°. 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.
