Weather forecast for 10 daysKoumac, New Caledonia
Weather forecast for the weekend
Saturday 24. Oct 2026
- 28°C
- 18°C
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 18km/hSE 128°
- Humidity: 60%
- UV index: 9
- Sunrise: 05:25 +11
- Sunset: 18:08 +11
- details ▼
Today, expect continuous cloudiness with subdued daylight.
The temperature is forecasted to vary between a temperate 28°C and a comfortable 18°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 29°C.
Forecasts suggest the maximum temperature will be relatively higher than October's average of 25°C.
Sunrise was at 05:25 and sunset will be at 18:08; the daylight will last for 12h and 43min.
The temperature is forecasted to vary between a temperate 28°C and a comfortable 18°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 29°C.
Forecasts suggest the maximum temperature will be relatively higher than October's average 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
- Precip. probability: 21%
- Precipitation: 0mm
- Wind: 17km/hS 170°
- Humidity: 64%
- UV index: 10
- Sunrise: 05:24 +11
- Sunset: 18:09 +11
- details ▼
Tomorrow, on Sunday, widespread cloud cover will remain in place.
Expected temperatures will peak at a warm 29°C and dip to a minimum of a breezy 19°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be a hot 32°C. Note that heat index values are valued for light wind and location in the shade.
Tomorrow, the maximum temperature is anticipated to be moderately higher than the common October peak of 25°C.
Sunrise will be at 05:24 and sunset at 18:09; tomorrow's daylight will last for 12h and 44min.
Expected temperatures will peak at a warm 29°C and dip to a minimum of a breezy 19°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be a hot 32°C. Note that heat index values are valued for light wind and location in the shade.
Tomorrow, the maximum temperature is anticipated to be moderately higher than the common October peak 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.
Minimum temperature: 28°C.
Minimum temperature: 28°C.
Chance of precipitation
Highest chance: Monday 02.11. 37%.
Long-term weather forecast
- Saturday
- 24. Oct 2026
- 28°C
- 18°C
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 18km/hSE 128°
- Humidity: 60%
- UV index: 9
- Sunrise: 05:25 +11
- Sunset: 18:08 +11
- details ▼
- Sunday
- 25. Oct 2026
- 29°C
- 19°C
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0mm
- Wind: 17km/hS 170°
- Humidity: 64%
- UV index: 10
- Sunrise: 05:24 +11
- Sunset: 18:09 +11
- details ▼
- Monday
- 26. Oct 2026
- 29°C
- 20°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 15km/hS 185°
- Humidity: 67%
- UV index: 11
- Sunrise: 05:24 +11
- Sunset: 18:09 +11
- details ▼
- Tuesday
- 27. Oct 2026
- 29°C
- 19°C
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 14km/hSW 222°
- Humidity: 69%
- UV index: 11
- Sunrise: 05:23 +11
- Sunset: 18:09 +11
- details ▼
- Wednesday
- 28. Oct 2026
- 29°C
- 20°C
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 17km/hWSW 252°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:23 +11
- Sunset: 18:10 +11
- details ▼
- Thursday
- 29. Oct 2026
- 29°C
- 20°C
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 20km/hSW 236°
- Humidity: 66%
- UV index: 11
- Sunrise: 05:22 +11
- Sunset: 18:10 +11
- details ▼
- Friday
- 30. Oct 2026
- 28°C
- 19°C
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 25km/hS 178°
- Humidity: 64%
- UV index: 11
- Sunrise: 05:21 +11
- Sunset: 18:11 +11
- details ▼
- Saturday
- 31. Oct 2026
- 28°C
- 20°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 20km/hS 172°
- Humidity: 63%
- UV index: 11
- Sunrise: 05:21 +11
- Sunset: 18:11 +11
- details ▼
- Sunday
- 1. Nov 2026
- 28°C
- 20°C
Few Showers
- Precip. probability: 35%
- Precipitation: 2mm
- Wind: 18km/hSSE 166°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:20 +11
- Sunset: 18:12 +11
- details ▼
- Monday
- 2. Nov 2026
- 29°C
- 20°C
Showers
- Precip. probability: 37%
- Precipitation: 3mm
- Wind: 17km/hS 177°
- Humidity: 66%
- UV index: 11
- Sunrise: 05:20 +11
- Sunset: 18:12 +11
- details ▼
Models point to a combination of overcast, bright and wet weather is anticipated.
Rainfall is anticipated on next Sunday and Monday.
The variation in maximum temperature will be negligible in the coming days. Maximum temperatures will fall between 28°C and 29°C, while the overnight low will be also nearly unchanged, as the overnight low will fall between 18°C and 20°C.
The hottest days in Koumac will be Sunday through Thursday and next Monday, with a maximum of 29°C; the coldest days will be Saturday, Friday through next Sunday, with a maximum of 28°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between 29°C and a humid 33°C.
Rainfall is anticipated on next Sunday and Monday.
The variation in maximum temperature will be negligible in the coming days. Maximum temperatures will fall between 28°C and 29°C, while the overnight low will be also nearly unchanged, as the overnight low will fall between 18°C and 20°C.
The hottest days in Koumac will be Sunday through Thursday and next Monday, with a maximum of 29°C; the coldest days will be Saturday, Friday through next Sunday, with a maximum of 28°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between 29°C and a humid 33°C.
Updated: Oct 23, 2026 @ 21:57:29 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, in Koumac, sunshine will be limited due to heavy cloud coverage.
Today, the highest temperature will be 28°C, while the lowest temperature will be 18°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is evaluated at 29°C.
The maximum temperature today will be a couple of degrees higher than the average highest temperature in October. Today, the lowest temperature will be also a couple of degrees lower than the average low temperature.
The maximum temperature today will be a couple of degrees higher than the average highest temperature in October. Today, the lowest temperature will be also a couple of degrees 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.
On Sunday, in Koumac, sunshine will be limited due to heavy cloud coverage.
Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 19°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 32°C.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also slightly cooler 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.





