S
M
T
W
T
F
S
1
43°
30°
2
34°
27°
3
54°
34°
4
59°
46°
5
63°
54°
6
77°
55°
7
77°
59°
8
61°
37°
9
72°
36°
10
75°
59°
11
72°
36°
12
46°
32°
13
59°
32°
14
48°
32°
15
75°
32°
16
64°
27°
17
28°
21°
18
41°
19°
19
66°
36°
20
70°
37°
21
68°
41°
22
86°
46°
23
46°
32°
24
52°
27°
25
68°
34°
26
82°
59°
27
57°
34°
28
46°
28°
29
66°
27°
30
73°
59°
31
81°
64°
1
80°
48°
2
82°
48°
3
81°
67°
4
84°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Plano
Plano'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 Plano. See also: April | May | June.
