Weather South Island long-term weather forecast

Long-term weather forecast for South Island for ten days.

Thursday, Sep 11

48 / 37°F

0.00 in

6 mph

46 °F	45 °F	12 am
41 °F	37 °F	6 am
48 °F	45 °F	12 pm
45 °F	41 °F	6 pm

sunrise 6:45 am
sunset 6:20 pm

HOURLY

From morning untill noon overcast, in the afternoon cloudy, in the evening overcast. The highest temperature 48 °F. Total rainfall 0.02 in. At night the lowest temperature 37 °F.

Interactive map weather New Zealand

GPS: -43.0000; 171.0000

altitude: 347 ft
local time:

PLACES IN THE AREA

Weather forecast South Island, New Zealand extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Thursday 09/11/2025
12 AM 8 AM	overcast	46 °F 45 °F	0.0 in	1 fps 1 mph east-northeast	29.3 in	99 %	45 °F	100 %	0%	76%	90%	100%
6 AM 2 PM	overcast	41 °F 39 °F	0.02 in	2 fps 1 mph southeast	29.3 in	92 %	37 °F	96 %	0%	34%	78%	68%
12 PM 8 PM	cloudy	48 °F 45 °F	0.01 in	8 fps 6 mph north-northwest	29.4 in	70 %	39 °F	80 %	0%	80%	0%	0%
6 PM 2 AM	overcast	45 °F 41 °F	0.0 in	4 fps 2 mph east-northeast	29.5 in	75 %	36 °F	98 %	0%	98%	11%	0%
Friday 09/12/2025
12 AM 8 AM	overcast	41 °F 37 °F	0.0 in	2 fps 2 mph south-southeast	29.6 in	81 %	36 °F	95 %	0%	95%	16%	2%
6 AM 2 PM	cloudy	37 °F 34 °F	0.0 in	2 fps 1 mph south-southeast	29.6 in	87 %	34 °F	57 %	0%	57%	2%	0%
12 PM 8 PM	light rain	46 °F 43 °F	0.02 in	6 fps 4 mph northwest	29.7 in	70 %	36 °F	98 %	0%	98%	30%	0%
6 PM 2 AM	cloudy	45 °F 41 °F	0.0 in	5 fps 4 mph northwest	29.7 in	85 %	39 °F	39 %	0%	39%	0%	0%

South Island, New Zealand - information

State: New Zealand

GPS coordinates: -43.0000; 171.0000

Time zone: Pacific / Auckland time difference in hours with time in NY is +10 hours

Population: 1 135 500
Altitude: 347 ft

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Weather South Island, New Zealand. Weather forecast South Island.

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Data source

Weather forecast for South Island is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information South Island

data are always in the local time

Sun and light

Sept. 10, 2025

Sunrise:	Sunset:
6:45 am	6:20 pm
Noon:	Length of day:
12:32 pm	11:35
Start of civil twilight*:	End of civil twilight*:
6:16 am	6:49 pm
Start of nautical twilight*:	End of nautical twilight*:
5:44 am	7:21 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:11 am	7:54 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/10/2025 9:26 pm	09/11/2025 8:04 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025