S
M
T
W
T
F
S
31
75°
60°
1
75°
56°
2
77°
59°
3
79°
62°
4
80°
65°
5
80°
65°
6
79°
66°
7
80°
66°
8
80°
67°
9
84°
67°
10
86°
66°
11
86°
68°
12
85°
68°
13
86°
67°
14
86°
67°
15
87°
69°
16
89°
69°
17
91°
70°
18
90°
67°
19
88°
68°
20
87°
69°
21
84°
69°
22
84°
70°
23
90°
71°
24
86°
71°
25
92°
70°
26
91°
67°
27
84°
64°
28
84°
64°
29
85°
63°
30
84°
67°
1
85°
68°
2
86°
65°
3
87°
63°
4
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Ashburn
Ashburn's June 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 56° and 71°. The average high for June is 84° with an average low of 66°. 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 Ashburn. See also: July | August | September.