S
M
T
W
T
F
S
31
77°
59°
1
82°
59°
2
82°
50°
3
N/A
4
85°
64°
5
82°
65°
6
84°
64°
7
82°
66°
8
82°
67°
9
86°
69°
10
90°
68°
11
91°
69°
12
84°
65°
13
84°
61°
14
83°
60°
15
83°
62°
16
80°
58°
17
81°
62°
18
79°
61°
19
81°
62°
20
81°
61°
21
76°
55°
22
75°
56°
23
78°
65°
24
84°
65°
25
85°
64°
26
82°
60°
27
77°
63°
28
80°
62°
29
81°
64°
30
83°
64°
1
82°
63°
2
83°
64°
3
84°
65°
4
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Delaware
Delaware's June 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 55° and 69°. The average high for June is 82° 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.
