S
M
T
W
T
F
S
1
72°
57°
2
66°
56°
3
67°
55°
4
64°
53°
5
72°
54°
6
73°
51°
7
77°
54°
8
88°
61°
9
69°
56°
10
69°
55°
11
66°
53°
12
82°
54°
13
80°
57°
14
70°
57°
15
69°
58°
16
72°
58°
17
79°
58°
18
82°
60°
19
78°
60°
20
78°
60°
21
72°
60°
22
67°
59°
23
69°
60°
24
69°
62°
25
68°
60°
26
69°
60°
27
70°
59°
28
69°
59°
29
70°
56°
30
69°
58°
31
69°
64°
1
68°
60°
2
68°
60°
3
70°
56°
4
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Newport Beach
Newport Beach'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 Newport Beach. See also: April | May | June.