S
M
T
W
T
F
S
29
62°
34°
30
74°
50°
31
74°
57°
1
57°
37°
2
74°
37°
3
71°
60°
4
71°
43°
5
49°
35°
6
53°
35°
7
41°
26°
8
65°
28°
9
76°
50°
10
62°
42°
11
58°
35°
12
80°
44°
13
83°
63°
14
83°
65°
15
78°
64°
16
73°
54°
17
79°
47°
18
71°
43°
19
52°
35°
20
52°
29°
21
77°
38°
22
77°
52°
23
80°
55°
24
78°
58°
25
68°
51°
26
62°
48°
27
70°
42°
28
65°
50°
29
60°
37°
30
56°
37°
1
52°
33°
2
54°
36°
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 52° to 65°, with overnight lows between 33° and 50°. The average high for April is 57° with an average low of 39°. 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.
