S
M
T
W
T
F
S
29
62°
26°
30
71°
51°
31
83°
59°
1
86°
62°
2
65°
48°
3
84°
47°
4
87°
67°
5
74°
49°
6
63°
44°
7
56°
39°
8
55°
32°
9
63°
36°
10
78°
42°
11
71°
46°
12
73°
42°
13
79°
59°
14
88°
63°
15
94°
64°
16
93°
66°
17
85°
58°
18
92°
64°
19
69°
39°
20
59°
33°
21
64°
45°
22
74°
51°
23
73°
49°
24
73°
51°
25
71°
48°
26
68°
48°
27
67°
45°
28
65°
48°
29
68°
48°
30
72°
47°
1
65°
46°
2
66°
44°
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 59° to 94°, with overnight lows between 33° and 66°. The average high for April is 74° with an average low of 50°. 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.
