S
M
T
W
T
F
S
29
68°
35°
30
77°
61°
31
82°
65°
1
74°
52°
2
80°
51°
3
80°
64°
4
74°
46°
5
54°
39°
6
61°
36°
7
51°
36°
8
70°
53°
9
75°
52°
10
69°
48°
11
69°
51°
12
79°
61°
13
77°
63°
14
76°
56°
15
65°
47°
16
62°
48°
17
68°
53°
18
67°
51°
19
71°
55°
20
73°
43°
21
70°
52°
22
70°
51°
23
72°
50°
24
69°
47°
25
63°
45°
26
62°
50°
27
66°
46°
28
66°
45°
29
63°
41°
30
63°
45°
1
65°
48°
2
66°
44°
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 79°, with overnight lows between 36° and 63°. The average high for April is 68° 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 Fairfax. See also: May | June | July.
