S
M
T
W
T
F
S
26
96°
74°
27
102°
77°
28
100°
75°
29
99°
76°
30
98°
75°
31
98°
73°
1
96°
74°
2
95°
75°
3
91°
73°
4
94°
76°
5
94°
73°
6
95°
75°
7
94°
74°
8
85°
75°
9
93°
73°
10
99°
73°
11
98°
73°
12
96°
73°
13
102°
73°
14
99°
72°
15
98°
74°
16
98°
74°
17
100°
76°
18
104°
74°
19
101°
74°
20
97°
76°
21
98°
75°
22
94°
74°
23
94°
75°
24
96°
74°
25
95°
74°
26
91°
75°
27
92°
74°
28
91°
73°
29
92°
74°
30
86°
73°
31
87°
75°
1
84°
74°
2
85°
75°
3
86°
75°
4
88°
74°
5
85°
72°
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 84° to 104°, with overnight lows between 72° and 76°. The average high for August is 93° with an average low of 74°. 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.
