S
M
T
W
T
F
S
26
88°
63°
27
69°
63°
28
81°
55°
29
92°
65°
30
90°
69°
1
84°
62°
2
65°
49°
3
76°
49°
4
79°
57°
5
81°
65°
6
84°
68°
7
87°
60°
8
77°
58°
9
81°
60°
10
82°
65°
11
83°
67°
12
85°
63°
13
84°
67°
14
86°
66°
15
87°
65°
16
80°
64°
17
81°
66°
18
80°
68°
19
82°
68°
20
86°
69°
21
83°
69°
22
82°
64°
23
81°
63°
24
80°
64°
25
82°
70°
26
82°
70°
27
81°
67°
28
82°
69°
29
83°
69°
30
82°
70°
31
83°
71°
1
83°
71°
2
84°
70°
3
84°
72°
4
85°
72°
5
85°
71°
6
84°
72°
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 65° to 87°, with overnight lows between 49° and 72°. The average high for May is 82° with an average low of 66°. 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.
