S
M
T
W
T
F
S
1
77°
63°
2
70°
53°
3
66°
49°
4
69°
52°
5
72°
52°
6
72°
53°
7
74°
53°
8
75°
59°
9
75°
58°
10
75°
58°
11
67°
58°
12
74°
58°
13
81°
69°
14
72°
63°
15
73°
61°
16
72°
56°
17
74°
53°
18
75°
54°
19
77°
58°
20
75°
56°
21
79°
55°
22
76°
58°
23
78°
60°
24
75°
57°
25
68°
63°
26
67°
62°
27
80°
64°
28
75°
61°
29
76°
58°
30
76°
64°
31
69°
61°
1
71°
58°
2
71°
56°
3
74°
54°
4
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in South Island
South Island'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 South Island. See also: April | May | June.
