S
M
T
W
T
F
S
1
93°
63°
2
93°
64°
3
86°
61°
4
85°
60°
5
81°
58°
6
73°
53°
7
82°
54°
8
89°
56°
9
81°
62°
10
77°
57°
11
84°
58°
12
92°
61°
13
93°
63°
14
92°
63°
15
92°
62°
16
93°
63°
17
96°
69°
18
102°
68°
19
105°
69°
20
105°
69°
21
105°
70°
22
102°
69°
23
100°
69°
24
100°
70°
25
100°
68°
26
99°
67°
27
102°
69°
28
96°
75°
29
96°
72°
30
95°
73°
31
90°
76°
1
86°
69°
2
87°
65°
3
89°
66°
4
92°
67°
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 89° to 92°, with overnight lows between 66° and 67°. The average high for March is 91° with an average low of 67°. 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.
