S
M
T
W
T
F
S
1
89°
81°
2
85°
76°
3
87°
78°
4
88°
79°
5
88°
80°
6
88°
78°
7
87°
76°
8
86°
77°
9
89°
76°
10
88°
81°
11
89°
82°
12
89°
82°
13
85°
77°
14
84°
77°
15
88°
78°
16
86°
79°
17
87°
78°
18
88°
80°
19
89°
82°
20
88°
79°
21
89°
79°
22
88°
80°
23
89°
80°
24
88°
79°
25
88°
81°
26
89°
80°
27
89°
78°
28
89°
77°
29
90°
79°
30
87°
79°
31
89°
78°
1
89°
79°
2
90°
81°
3
90°
80°
4
90°
79°
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.
