S
M
T
W
T
F
S
1
66°
41°
2
66°
46°
3
77°
39°
4
75°
52°
5
75°
54°
6
81°
50°
7
73°
50°
8
70°
37°
9
66°
50°
10
75°
59°
11
72°
45°
12
61°
30°
13
73°
32°
14
75°
39°
15
72°
37°
16
41°
23°
17
50°
18°
18
70°
36°
19
81°
37°
20
88°
45°
21
90°
48°
22
91°
50°
23
66°
45°
24
63°
43°
25
84°
41°
26
86°
50°
27
66°
52°
28
61°
34°
29
75°
34°
30
81°
48°
31
81°
55°
1
81°
54°
2
79°
68°
3
82°
68°
4
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Greenbrier
Greenbrier'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 Greenbrier. See also: April | May | June.