S
M
T
W
T
F
S
31
61°
44°
1
71°
43°
2
77°
46°
3
77°
50°
4
78°
49°
5
66°
46°
6
64°
43°
7
70°
44°
8
75°
50°
9
72°
49°
10
74°
55°
11
74°
48°
12
71°
56°
13
63°
54°
14
58°
46°
15
76°
48°
16
59°
45°
17
63°
43°
18
64°
43°
19
59°
50°
20
58°
47°
21
64°
47°
22
59°
45°
23
63°
52°
24
67°
51°
25
61°
50°
26
64°
51°
27
78°
54°
28
74°
55°
29
72°
52°
30
90°
55°
1
85°
56°
2
80°
56°
3
67°
52°
4
67°
49°
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 67° to 80°, with overnight lows between 49° and 56°. The average high for June is 71° with an average low of 52°. 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.
