S
M
T
W
T
F
S
26
56°
39°
27
54°
49°
28
56°
43°
29
59°
47°
30
62°
51°
1
59°
52°
2
64°
53°
3
74°
53°
4
65°
52°
5
60°
51°
6
61°
49°
7
62°
48°
8
62°
50°
9
61°
49°
10
60°
50°
11
59°
49°
12
58°
45°
13
55°
47°
14
57°
45°
15
61°
47°
16
57°
48°
17
57°
47°
18
58°
46°
19
58°
47°
20
59°
47°
21
57°
48°
22
58°
46°
23
62°
48°
24
65°
51°
25
66°
51°
26
65°
49°
27
60°
48°
28
61°
47°
29
62°
51°
30
65°
50°
31
59°
51°
1
58°
50°
2
60°
49°
3
59°
49°
4
58°
47°
5
60°
48°
6
62°
50°
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 55° to 74°, with overnight lows between 45° and 53°. The average high for May is 61° with an average low of 49°. 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.
