Weather in New Caledonia - today, tomorrow and 14-day forecast

Right now temperatures across New Caledonia range from 23° to 27°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Country values are the median of forecasts from 2 cities; the range shows local differences. Methodology.

Weather in New Caledonia's cities today

☀️Le Mont-Dore 27°💧 0.1 mm ☀️Noumea 23°💧 0.4 mm

Next days in New Caledonia

today☀️ 25°💧 0.3 mm

Sun🌤️ 25°💧 0.3 mm

Mon☀️ 21°💧 0.3 mm

Tue🌧️ 22°💧 2.4 mm

Wed🌧️ 21°💧 2.7 mm

Thu🌧️ 20°💧 0.7 mm

Fri🌧️ 21°💧 1 mm

Sat🌧️ 20°💧 0.8 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Saturday 5 Sept in New Caledonia, the forecast high is 25°C. Typical daytime temperatures at this time of year range from 21°C to 23°C, so it will be exceptionally warm. It is warmer than 98% of similar days.

Saturday 5 Sept

25°Cexceptionally warm

usually 21°C–23°C

warmer than 98% of similar days

night: exceptionally cool rain: typical rainfall wind: typical

Sunday 6 Sept

25°Cexceptionally warm

usually 21°C–23°C

warmer than 98% of similar days

night: exceptionally cool rain: typical rainfall wind: typical

Monday 7 Sept

21°Ccooler than usual

usually 21°C–23°C

cooler than 71% of similar days

night: exceptionally cool rain: typical rainfall wind: exceptionally light

Tuesday 8 Sept

22°Cnear normal

usually 21°C–23°C

night: exceptionally cool rain: more rain than usual wind: lighter than usual

Wednesday 9 Sept

21°Ccooler than usual

usually 21°C–23°C

cooler than 77% of similar days

night: cooler than usual rain: more rain than usual wind: exceptionally light

Thursday 10 Sept

20°Cexceptionally cool

usually 21°C–23°C

cooler than 97% of similar days

night: exceptionally cool rain: typical rainfall wind: lighter than usual

Friday 11 Sept

21°Ccooler than usual

usually 21°C–23°C

cooler than 82% of similar days

night: exceptionally cool rain: more rain than usual wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 22°C by day. The coolest year was 1994 (20°C) and the warmest was 2010 (24°C). The current forecast averages 22°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - New Caledonia

New Caledonia - 14-day weather forecast infographic

New Caledonia 30 & 45-day weather - long-range outlook

Next 16 days · forecast

22°

around 18° at night · days with rain: 4

Weeks 3-4 · avg for September

27°

around 16° at night · rain chance 18%

Weeks 5-7 · avg for October

28°

around 17° at night · rain chance 17%

The 30 & 45-day outlook for New Caledonia: the next 16 days are a numerical forecast updated daily - on average 22° by day and 18° at night. Further out we rely on multi-year climate averages: around 27° in September, and about 28° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for New Caledonia

Saturday5 September 2026

☀️25°clear sky

night 18° · evening 23° · rain 0.255 mm · humidity 58.5% · wind 8 m/s · clouds 5%

Sunday6 September 2026

🌤️25°a few clouds

night 17° · evening 22° · rain 0.315 mm · humidity 52.5% · wind 7 m/s · clouds 28.5%

Monday7 September 2026

☀️21°clear sky

night 18° · evening 20° · rain 0.28500000000000003 mm · humidity 66% · wind 4 m/s · clouds 10%

Tuesday8 September 2026

🌧️22°light rain

night 19° · evening 21° · rain 2.41 mm · humidity 65% · wind 5 m/s · clouds 2%

Wednesday9 September 2026

🌧️21°light rain

night 19° · evening 20° · rain 2.7350000000000003 mm · humidity 61% · wind 4 m/s · clouds 18.5%

Thursday10 September 2026

🌧️20°light rain

night 19° · evening 20° · rain 0.675 mm · humidity 63.5% · wind 5 m/s · clouds 49.5%

Friday11 September 2026

🌧️21°light rain

night 19° · evening 20° · rain 0.9750000000000001 mm · humidity 54.5% · wind 7 m/s · clouds 99%

Saturday12 September 2026

🌧️20°light rain

night 18° · evening 20° · rain 0.765 mm · humidity 63% · wind 7 m/s · clouds 94.5%

Sunday13 September 2026

🌧️21°light rain

night 18° · evening 21° · rain 0.42 mm · humidity 58% · wind 6 m/s · clouds 100%

Monday14 September 2026

🌧️22°light rain

night 19° · evening 22° · rain 1.38 mm · humidity 61% · wind 6 m/s · clouds 86.5%

Tuesday15 September 2026

🌧️22°light rain

night 19° · evening 21° · rain 0.54 mm · humidity 63% · wind 6 m/s · clouds 81.5%

Wednesday16 September 2026

🌧️25°light rain

night 19° · evening 23° · rain 0.33 mm · humidity 58.5% · wind 5 m/s · clouds 82%

Thursday17 September 2026

🌧️25°light rain

night 19° · evening 22° · rain 0.24 mm · humidity 59% · wind 8 m/s · clouds 17%

Friday18 September 2026

☁️23°broken clouds

night 18° · evening 22° · rain 0.48 mm · humidity 58% · wind 8 m/s · clouds 34%

Saturday19 September 2026

🌧️22°light rain

night 19° · evening 22° · rain 0.645 mm · humidity 62% · wind 5 m/s · clouds 14%

Sunday20 September 2026

🌧️20°light rain

night 18° · evening 19° · rain 8.88 mm · humidity 73% · wind 7 m/s · clouds 48.5%

Sea temperature - New Caledonia

Water today

23°C

Week avg

23°C

Waves today

1.2 m

How's the water?

pleasant

16-day sea temperature forecast:

5.09 23°C6.09 23°C7.09 23°C8.09 24°C9.09 23°C10.09 23°C11.09 23°C12.09 23°C13.09 23°C

Average sea temperature through the year:

Jan 29°CFeb 28°CMar 28°CApr 28°CMay 26°CJun 25°CJul 24°CAug 23°CSep 24°COct 25°CNov 26°CDec 27°C

Beach	Water today	Water week avg	Waves	How's the water?
Noumea	22℃	22℃	1 m	pleasant
Le Mont-Dore	22℃	22℃	0.9 m	pleasant

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

New Caledonia weather through the year

New Caledonia weather month by month - when is the best time to go?

January (31°)February (31°)March (30°)April (29°)May (27°)June (25°)July (24°)August (25°)September (27°)October (28°)November (30°)December (32°)

Weather in other countries in Oceania

New ZealandNauruNiueFederated States of MicronesiaNorfolk IslandMarshall Islands

FAQ - New Caledonia weather

What is the weather like in New Caledonia today?

Today it is about 25° during the day and 18° at night, clear sky.

How far ahead can I check the forecast for New Caledonia?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.