S
M
T
W
T
F
S
1
66°
29°
2
62°
30°
3
60°
26°
4
58°
23°
5
52°
25°
6
43°
26°
7
47°
27°
8
60°
20°
9
59°
24°
10
57°
28°
11
64°
30°
12
67°
23°
13
69°
24°
14
66°
32°
15
66°
32°
16
62°
28°
17
73°
29°
18
76°
27°
19
84°
27°
20
83°
30°
21
79°
33°
22
75°
37°
23
74°
32°
24
76°
36°
25
77°
38°
26
74°
35°
27
77°
30°
28
70°
31°
29
69°
38°
30
68°
38°
31
61°
43°
1
53°
38°
2
55°
30°
3
52°
27°
4
59°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Flagstaff
Flagstaff'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 Flagstaff. See also: April | May | June.
