S
M
T
W
T
F
S
1
71°
54°
2
61°
48°
3
63°
47°
4
70°
46°
5
68°
44°
6
70°
47°
7
68°
49°
8
70°
61°
9
71°
56°
10
76°
56°
11
69°
56°
12
76°
48°
13
77°
66°
14
72°
47°
15
70°
44°
16
70°
49°
17
70°
50°
18
69°
48°
19
78°
56°
20
76°
58°
21
75°
55°
22
72°
52°
23
73°
53°
24
70°
58°
25
72°
58°
26
66°
60°
27
73°
62°
28
71°
60°
29
69°
59°
30
71°
59°
31
71°
58°
1
71°
52°
2
68°
49°
3
69°
49°
4
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in New Plymouth
New Plymouth'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 New Plymouth. See also: April | May | June.