S
M
T
W
T
F
S
29
47°
30°
30
67°
27°
31
53°
42°
1
42°
32°
2
47°
31°
3
74°
38°
4
50°
35°
5
46°
34°
6
42°
28°
7
33°
20°
8
42°
15°
9
62°
31°
10
47°
35°
11
50°
29°
12
47°
29°
13
69°
38°
14
68°
46°
15
65°
51°
16
62°
51°
17
64°
45°
18
60°
43°
19
46°
29°
20
41°
29°
21
47°
36°
22
54°
39°
23
52°
39°
24
52°
40°
25
54°
39°
26
53°
40°
27
54°
47°
28
50°
35°
29
51°
36°
30
50°
34°
1
52°
34°
2
50°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Ashburn
Ashburn's April 2026 forecast shows daily high temperatures ranging from 41° to 68°, with overnight lows between 29° and 51°. The average high for April is 54° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Ashburn. See also: May | June | July.