S
M
T
W
T
F
S
26
84°
66°
27
87°
71°
28
89°
71°
29
90°
66°
30
89°
65°
31
83°
64°
1
83°
64°
2
84°
65°
3
83°
64°
4
84°
65°
5
84°
66°
6
83°
68°
7
85°
70°
8
83°
70°
9
83°
71°
10
84°
70°
11
84°
68°
12
89°
67°
13
88°
69°
14
85°
69°
15
88°
66°
16
88°
69°
17
86°
62°
18
82°
62°
19
82°
64°
20
83°
63°
21
82°
65°
22
86°
64°
23
88°
65°
24
87°
67°
25
88°
67°
26
87°
68°
27
82°
63°
28
Hist. Avg.
84°
65°
29
Hist. Avg.
83°
65°
30
Hist. Avg.
83°
64°
31
Hist. Avg.
83°
64°
1
Hist. Avg.
83°
64°
2
Hist. Avg.
83°
64°
3
Hist. Avg.
82°
63°
4
Hist. Avg.
82°
63°
5
Hist. Avg.
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Delaware City
Delaware City's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 62° and 71°. The average high for August is 85° 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 August weather will actually feel in Delaware City. See also: September | October | November.
