S
M
T
W
T
F
S
26
84°
70°
27
84°
62°
28
84°
64°
29
85°
69°
30
89°
64°
31
84°
64°
1
85°
67°
2
84°
63°
3
84°
62°
4
83°
62°
5
83°
63°
6
84°
63°
7
84°
64°
8
85°
65°
9
84°
66°
10
83°
63°
11
86°
67°
12
91°
70°
13
91°
63°
14
86°
62°
15
86°
63°
16
87°
70°
17
89°
64°
18
88°
62°
19
81°
60°
20
81°
61°
21
83°
62°
22
85°
58°
23
80°
60°
24
81°
65°
25
87°
67°
26
82°
68°
27
87°
69°
28
89°
66°
29
90°
59°
30
86°
59°
31
80°
63°
1
85°
65°
2
80°
57°
3
79°
60°
4
78°
66°
5
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dover
Dover's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 57° and 70°. The average high for August is 85° with an average low of 64°. 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 Dover. See also: September | October | November.
