S
M
T
W
T
F
S
26
68°
39°
27
70°
50°
28
63°
50°
29
52°
36°
30
54°
32°
1
48°
34°
2
57°
30°
3
70°
45°
4
81°
41°
5
57°
41°
6
54°
30°
7
63°
32°
8
70°
32°
9
72°
39°
10
63°
32°
11
63°
37°
12
73°
39°
13
64°
39°
14
72°
34°
15
81°
52°
16
82°
59°
17
84°
63°
18
81°
64°
19
75°
52°
20
64°
45°
21
59°
41°
22
70°
46°
23
75°
52°
24
81°
55°
25
84°
56°
26
86°
58°
27
84°
51°
28
76°
48°
29
77°
49°
30
68°
52°
31
77°
53°
1
76°
55°
2
78°
54°
3
81°
56°
4
80°
56°
5
80°
55°
6
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Darien
Darien's May 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 48° and 58°. The average high for May is 79° with an average low of 54°. 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 Darien. See also: June | July | August.
