S
M
T
W
T
F
S
29
63°
28°
30
70°
50°
31
82°
57°
1
86°
63°
2
64°
46°
3
82°
46°
4
88°
61°
5
73°
48°
6
61°
43°
7
55°
37°
8
55°
32°
9
63°
36°
10
79°
43°
11
70°
48°
12
73°
43°
13
79°
59°
14
88°
55°
15
90°
59°
16
91°
63°
17
79°
59°
18
82°
54°
19
66°
37°
20
54°
34°
21
63°
30°
22
75°
51°
23
80°
53°
24
82°
54°
25
68°
47°
26
63°
46°
27
68°
50°
28
65°
52°
29
68°
50°
30
66°
49°
1
62°
46°
2
59°
45°
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 59° to 82°, with overnight lows between 45° and 54°. The average high for April is 69° with an average low of 49°. 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.