Weather forecast for 10 daysKoumac, New Caledonia

Weather forecast for the weekend

Saturday 24. Oct 2026

  • 27°C
  • 18°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 17km/hSE 143°
  • Humidity: 68%
  • UV index: 5
  • Sunrise: 05:25 +11
  • Sunset: 18:08 +11
  • ▼
Today, gloomy and cloudy conditions will set the tone.
Expected temperature values will span from a warm 27°C down to a breezy 18°C.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 29°C.
The high temperature is anticipated to match October's standard maximum of 25°C.
Sunrise was at 05:25 and sunset will be at 18:08; the daylight will last for 12h and 43min.

Sunday 25. Oct 2026

  • 29°C
  • 19°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 18km/hS 175°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:24 +11
  • Sunset: 18:09 +11
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Tomorrow, the sky will also be mainly overcast.
Temperature span will be from a high of a temperate 29°C to a low of a breezy 19°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a blazing 32°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow's forecasted high will be a couple of degrees higher than the typical October high of 25°C.
Sunrise will be at 05:24 and sunset at 18:09; tomorrow's daylight will last for 12h and 44min.

10-day overview

Daily temperatures

Maximum temperature: 29°C.
Coldest day: today 27°C.

Chance of precipitation

Highest chance: Monday 02.11. 43%.

Long-term weather forecast

  • Saturday
  • 24. Oct 2026
  • 27°C
  • 18°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 17km/hSE 143°
  • Humidity: 68%
  • UV index: 5
  • Sunrise: 05:25 +11
  • Sunset: 18:08 +11
  • ▼
  • Sunday
  • 25. Oct 2026
  • 29°C
  • 19°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 18km/hS 175°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:24 +11
  • Sunset: 18:09 +11
  • ▼
  • Monday
  • 26. Oct 2026
  • 29°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 15km/hS 187°
  • Humidity: 67%
  • UV index: 11
  • Sunrise: 05:24 +11
  • Sunset: 18:09 +11
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 29°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 14km/hSW 222°
  • Humidity: 69%
  • UV index: 11
  • Sunrise: 05:23 +11
  • Sunset: 18:09 +11
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 29°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 17km/hWSW 249°
  • Humidity: 66%
  • UV index: 11
  • Sunrise: 05:23 +11
  • Sunset: 18:10 +11
  • ▼
  • Thursday
  • 29. Oct 2026
  • 29°C
  • 20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 20km/hSW 232°
  • Humidity: 67%
  • UV index: 11
  • Sunrise: 05:22 +11
  • Sunset: 18:10 +11
  • ▼
  • Friday
  • 30. Oct 2026
  • 28°C
  • 19°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 24km/hS 182°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:21 +11
  • Sunset: 18:11 +11
  • ▼
  • Saturday
  • 31. Oct 2026
  • 28°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 19km/hS 186°
  • Humidity: 63%
  • UV index: 11
  • Sunrise: 05:21 +11
  • Sunset: 18:11 +11
  • ▼
  • Sunday
  • 1. Nov 2026
  • 29°C
  • 20°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 2mm
  • Wind: 15km/hS 182°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:20 +11
  • Sunset: 18:12 +11
  • ▼
  • Monday
  • 2. Nov 2026
  • 29°C
  • 20°C
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 3mm
  • Wind: 16km/hS 186°
  • Humidity: 66%
  • UV index: 11
  • Sunrise: 05:20 +11
  • Sunset: 18:12 +11
  • ▼
Over the next ten days, a mix of cloudy, sunny and rain-filled weather is anticipated.
Rainfall is expected on next Sunday and Monday.
The high temperatures are expected to remain largely stable in the upcoming period. Expected highs will hover between 27°C and 29°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 18°C and 20°C.
With a maximum temperature of 29°C, Sunday through Thursday, next Sunday and Monday will be the hottest days; today is the coldest day, with a maximum temperature of 27°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase and range between 29°C and a blazing 33°C.
Updated: Oct 24, 2026 @ 03:25:19 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, expect a cloud-dominated atmosphere throughout.

Today, the maximum temperature will be 27°C, while the minimum temperature will be 18°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 29°C.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be moderately lower than the average low temperature.

On Saturday, in Koumac, sunrise was at 05:25 and sunset will be at 18:08 (+11).

In Koumac, today, there will be 12h and 43min of daylight.

Tomorrow, in Koumac, expect predominantly cloudy skies to persist.

Tomorrow, the maximum temperature will be 29°C, while the minimum temperature will be 19°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 32°C.
The highest temperature will be a few degrees higher than the average maximum of 25°C in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.

On Sunday, in Koumac, sunrise will be at 05:24 and sunset at 18:09 (+11).

In Koumac, tomorrow, there will be 12h and 44min of daylight.