S
M
T
W
T
F
S
1
57°
48°
2
60°
42°
3
63°
34°
4
54°
43°
5
52°
38°
6
59°
35°
7
69°
39°
8
68°
37°
9
55°
41°
10
54°
37°
11
62°
33°
12
66°
36°
13
66°
37°
14
65°
40°
15
64°
35°
16
75°
38°
17
81°
38°
18
82°
40°
19
81°
40°
20
80°
42°
21
69°
43°
22
70°
33°
23
69°
41°
24
70°
50°
25
63°
41°
26
65°
35°
27
79°
33°
28
75°
38°
29
76°
41°
30
57°
46°
31
64°
48°
1
58°
39°
2
57°
36°
3
70°
29°
4
79°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Phoenix
Phoenix's March 2026 forecast shows daily high temperatures ranging from 79° to 79°, with overnight lows between 44° and 44°. The average high for March is 79° with an average low of 44°. 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 Phoenix. See also: April | May | June.
