S
M
T
W
T
F
S
1
54°
39°
2
52°
37°
3
73°
45°
4
51°
46°
5
69°
49°
6
75°
48°
7
56°
34°
8
74°
30°
9
86°
57°
10
84°
62°
11
66°
31°
12
65°
25°
13
72°
35°
14
78°
42°
15
69°
29°
16
39°
16°
17
69°
27°
18
78°
47°
19
89°
42°
20
95°
44°
21
97°
43°
22
79°
50°
23
62°
37°
24
76°
51°
25
92°
55°
26
94°
63°
27
64°
43°
28
67°
45°
29
83°
50°
30
88°
64°
31
86°
71°
1
75°
54°
2
77°
63°
3
80°
55°
4
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Fairfax
Fairfax's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Fairfax. See also: April | May | June.
