S
M
T
W
T
F
S
28
82°
71°
29
84°
73°
30
89°
73°
1
88°
72°
2
88°
73°
3
84°
71°
4
83°
69°
5
83°
67°
6
84°
67°
7
83°
70°
8
83°
73°
9
86°
73°
10
85°
68°
11
84°
68°
12
85°
69°
13
86°
70°
14
85°
71°
15
86°
68°
16
85°
69°
17
85°
73°
18
88°
73°
19
90°
74°
20
88°
73°
21
87°
73°
22
88°
72°
23
87°
73°
24
90°
71°
25
87°
69°
26
86°
70°
27
88°
73°
28
89°
73°
29
91°
70°
30
89°
67°
31
84°
67°
1
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dewey Beach
Dewey Beach's July 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 67° and 74°. The average high for July is 86° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Dewey Beach. See also: August | September | October.
