S
M
T
W
T
F
S
26
52°
25°
27
49°
33°
28
48°
30°
29
57°
24°
30
58°
29°
1
57°
22°
2
75°
27°
3
72°
40°
4
57°
36°
5
48°
30°
6
51°
31°
7
64°
27°
8
71°
31°
9
61°
35°
10
62°
29°
11
79°
34°
12
74°
46°
13
81°
33°
14
82°
48°
15
81°
40°
16
74°
37°
17
70°
47°
18
50°
41°
19
57°
34°
20
67°
29°
21
70°
48°
22
55°
48°
23
72°
48°
24
85°
46°
25
94°
53°
26
93°
59°
27
93°
61°
28
91°
61°
29
90°
63°
30
85°
64°
31
84°
59°
1
83°
59°
2
82°
54°
3
81°
55°
4
83°
56°
5
84°
57°
6
86°
61°
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 81° to 93°, with overnight lows between 54° and 64°. The average high for May is 86° with an average low of 59°. 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.
