S
M
T
W
T
F
S
1
52°
19°
2
59°
28°
3
61°
28°
4
61°
30°
5
52°
30°
6
46°
25°
7
54°
23°
8
68°
34°
9
55°
27°
10
36°
27°
11
46°
16°
12
64°
34°
13
48°
28°
14
50°
18°
15
30°
9°
16
41°
21°
17
70°
36°
18
75°
43°
19
77°
39°
20
82°
37°
21
82°
45°
22
59°
32°
23
66°
36°
24
72°
43°
25
79°
46°
26
54°
28°
27
57°
19°
28
70°
27°
29
73°
32°
30
68°
34°
31
45°
30°
1
59°
32°
2
59°
32°
3
45°
32°
4
57°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Fort Smith
Fort Smith'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 Fort Smith. See also: April | May | June.
