S
M
T
W
T
F
S
29
46°
36°
30
52°
32°
31
59°
32°
1
52°
41°
2
54°
39°
3
61°
39°
4
64°
34°
5
68°
39°
6
77°
41°
7
57°
37°
8
63°
32°
9
68°
32°
10
70°
41°
11
57°
43°
12
55°
45°
13
57°
45°
14
48°
45°
15
46°
34°
16
57°
34°
17
57°
41°
18
72°
41°
19
75°
41°
20
77°
46°
21
61°
48°
22
54°
48°
23
59°
43°
24
64°
37°
25
66°
34°
26
70°
34°
27
59°
43°
28
59°
48°
29
66°
43°
30
74°
47°
1
70°
50°
2
73°
49°
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 66° to 74°, with overnight lows between 43° and 50°. The average high for April is 71° with an average low of 47°. 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.
