S
M
T
W
T
F
S
26
89°
73°
27
91°
66°
28
90°
67°
29
91°
70°
30
95°
69°
31
93°
74°
1
96°
68°
2
93°
68°
3
91°
69°
4
89°
66°
5
88°
67°
6
89°
67°
7
90°
68°
8
90°
70°
9
91°
70°
10
93°
72°
11
95°
73°
12
92°
73°
13
96°
72°
14
96°
66°
15
95°
67°
16
89°
70°
17
93°
72°
18
95°
70°
19
96°
68°
20
95°
71°
21
90°
68°
22
93°
68°
23
91°
69°
24
92°
70°
25
94°
69°
26
94°
69°
27
93°
68°
28
93°
69°
29
91°
69°
30
91°
68°
31
92°
68°
1
88°
67°
2
92°
67°
3
91°
62°
4
90°
60°
5
83°
60°
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 83° to 96°, with overnight lows between 60° and 74°. The average high for August is 92° with an average low of 69°. 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.
