S
M
T
W
T
F
S
31
77°
50°
1
77°
53°
2
78°
51°
3
81°
48°
4
84°
53°
5
86°
60°
6
86°
65°
7
86°
69°
8
87°
66°
9
84°
72°
10
88°
71°
11
85°
71°
12
83°
59°
13
83°
63°
14
80°
58°
15
72°
57°
16
74°
57°
17
76°
58°
18
74°
59°
19
80°
58°
20
78°
60°
21
78°
62°
22
79°
61°
23
78°
64°
24
80°
62°
25
83°
65°
26
85°
66°
27
85°
65°
28
80°
60°
29
78°
61°
30
79°
61°
1
82°
66°
2
80°
66°
3
84°
65°
4
80°
60°
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 72° to 88°, with overnight lows between 57° and 72°. The average high for June is 80° with an average low of 63°. 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.
