S
M
T
W
T
F
S
26
78°
63°
27
82°
65°
28
82°
68°
29
78°
61°
30
83°
58°
31
86°
62°
1
79°
69°
2
79°
66°
3
79°
59°
4
83°
54°
5
87°
64°
6
86°
64°
7
85°
70°
8
87°
68°
9
86°
64°
10
85°
66°
11
78°
66°
12
73°
64°
13
84°
62°
14
78°
68°
15
83°
68°
16
85°
73°
17
80°
70°
18
81°
64°
19
80°
66°
20
83°
66°
21
83°
62°
22
83°
63°
23
74°
57°
24
76°
52°
25
79°
54°
26
80°
55°
27
82°
63°
28
80°
61°
29
83°
57°
30
81°
62°
31
88°
71°
1
89°
73°
2
93°
71°
3
94°
73°
4
84°
70°
5
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Delaware
Delaware's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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. See also: September | October | November.
