S
M
T
W
T
F
S
29
49°
26°
30
66°
43°
31
46°
36°
1
39°
32°
2
47°
28°
3
62°
38°
4
50°
35°
5
48°
38°
6
42°
33°
7
34°
25°
8
46°
17°
9
64°
37°
10
62°
38°
11
51°
30°
12
53°
46°
13
63°
48°
14
67°
53°
15
70°
56°
16
71°
51°
17
68°
49°
18
71°
51°
19
60°
40°
20
52°
38°
21
56°
41°
22
59°
45°
23
63°
36°
24
54°
38°
25
58°
43°
26
55°
43°
27
54°
39°
28
54°
40°
29
55°
36°
30
61°
44°
1
63°
45°
2
65°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fairfax
Fairfax's April 2026 forecast shows daily high temperatures ranging from 51° to 71°, with overnight lows between 30° and 56°. The average high for April is 60° with an average low of 43°. 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 Fairfax. See also: May | June | July.
