S
M
T
W
T
F
S
31
80°
59°
1
75°
56°
2
73°
54°
3
77°
59°
4
82°
60°
5
79°
59°
6
78°
58°
7
75°
55°
8
75°
55°
9
76°
54°
10
79°
60°
11
83°
62°
12
83°
62°
13
82°
63°
14
84°
64°
15
84°
64°
16
83°
63°
17
85°
63°
18
84°
62°
19
85°
64°
20
86°
65°
21
85°
64°
22
86°
63°
23
86°
65°
24
83°
58°
25
84°
57°
26
79°
58°
27
80°
60°
28
87°
59°
29
83°
58°
30
81°
58°
1
81°
64°
2
84°
63°
3
82°
59°
4
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Delaware
Delaware's June 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 54° and 65°. The average high for June is 81° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Delaware. See also: July | August | September.
