S
M
T
W
T
F
S
29
61°
28°
30
71°
51°
31
83°
62°
1
89°
62°
2
62°
47°
3
85°
46°
4
87°
63°
5
72°
50°
6
61°
44°
7
56°
42°
8
54°
34°
9
62°
34°
10
76°
40°
11
71°
51°
12
71°
47°
13
80°
56°
14
89°
56°
15
92°
59°
16
94°
58°
17
83°
57°
18
87°
52°
19
68°
37°
20
58°
32°
21
63°
50°
22
73°
51°
23
81°
54°
24
80°
55°
25
65°
51°
26
63°
47°
27
67°
51°
28
69°
52°
29
70°
47°
30
65°
49°
1
68°
50°
2
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fort Belvoir
Fort Belvoir's April 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 32° and 55°. 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 Fort Belvoir. See also: May | June | July.