S
M
T
W
T
F
S
29
44°
25°
30
29°
23°
31
26°
16°
1
33°
10°
2
37°
29°
3
41°
26°
4
46°
28°
5
40°
23°
6
31°
19°
7
42°
31°
8
35°
18°
9
40°
24°
10
48°
29°
11
59°
34°
12
51°
28°
13
43°
20°
14
38°
23°
15
42°
23°
16
43°
27°
17
44°
27°
18
46°
29°
19
55°
31°
20
48°
25°
21
52°
31°
22
55°
30°
23
48°
28°
24
49°
27°
25
53°
35°
26
63°
37°
27
62°
35°
28
65°
39°
29
66°
40°
30
66°
39°
1
65°
41°
2
68°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Reston
Reston's April 2026 forecast shows daily high temperatures ranging from 31° to 68°, with overnight lows between 18° and 41°. The average high for April is 51° with an average low of 30°. 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 Reston. See also: May | June | July.
