S
M
T
W
T
F
S
26
83°
66°
27
82°
65°
28
81°
65°
29
79°
64°
30
77°
64°
31
75°
62°
1
75°
63°
2
76°
64°
3
75°
63°
4
76°
64°
5
75°
62°
6
74°
60°
7
75°
62°
8
76°
63°
9
77°
64°
10
76°
63°
11
76°
63°
12
77°
62°
13
78°
63°
14
78°
63°
15
74°
61°
16
73°
60°
17
73°
61°
18
74°
62°
19
76°
62°
20
78°
63°
21
74°
53°
22
71°
53°
23
71°
54°
24
72°
57°
25
73°
61°
26
77°
58°
27
74°
60°
28
72°
62°
29
82°
59°
30
82°
53°
31
72°
53°
1
72°
60°
2
77°
59°
3
74°
52°
4
75°
58°
5
79°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Darien
Darien's August 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 51° and 66°. The average high for August is 76° 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 August weather will actually feel in Darien. See also: September | October | November.
