Weather forecast for tomorrowKoumac, New Caledonia

Weather forecast for tomorrow

Saturday 31. Oct 2026

  • 28°C
  • 19°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 19km/hSSE 166°
  • Humidity: 58%
  • UV index: 11
  • Sunrise: 05:21 +11
  • Sunset: 18:11 +11
  • ▼
Tomorrow, in Koumac, gray skies will dominate the forecast.
Temperature is predicted to swing from a high of a temperate 28°C to a low of an enjoyable 19°C.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be 29°C.
The expected high will be slightly warmer than October's standard temperature of 25°C.
Sunrise will be at 05:21 and sunset at 18:11; tomorrow's daylight will last for 12h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 29°C.
Coldest hour: 3h 20°C.

Chance of precipitation

Highest chance: 18h 11%.

Hourly weather forecast

  • 0h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hSE 136°
  • Humidity: 74%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 7km/hSE 141°
  • Humidity: 78%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 20°C
  • Feels like:
    20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 7km/hSSE 147°
  • Humidity: 81%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:21
  • 6h
  • 20°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 6km/hSE 144°
  • Humidity: 80%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hSE 139°
  • Humidity: 61%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 27°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 14km/hSSW 196°
  • Humidity: 51%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 12h
  • 28°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 19km/hSSW 193°
  • Humidity: 51%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 27°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 19km/hS 187°
  • Humidity: 54%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 16h
  • 26°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 16km/hSSE 161°
  • Humidity: 59%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 25°C
  • Feels like:
    26°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 10km/hESE 118°
  • Humidity: 68%
  • Pressure: 1017mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Sunset: 18:11
  • 20h
  • 23°C
  • Feels like:
    24°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 7km/hNE 54°
  • Humidity: 72%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hNE 52°
  • Humidity: 75%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, on Saturday, primarily cloud-filled and occasionally sunny weather is anticipated.
The temperature will vary between the lowest temperature of 20°C and the highest temperature of 28°C. The warmest part of the day will be from 11h to 13h.
The maximum temperature will be slightly warmer than October's average high of 25°C. Tomorrow, expect the temperature to dip to a level also a few degrees lower than the average October low.
Updated: Oct 29, 2026 @ 20:28:37 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, heavy clouds will be present throughout the day.

Tomorrow, the maximum temperature will be 28°C, while the minimum temperature will be 19°C. The maximum heat index, which measures the combined effect of heat and moisture, is estimated at 29°C.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature tomorrow will be also moderately lower than the average low temperature.

On Saturday, in Koumac, sunrise will be at 05:21 and sunset at 18:11 (+11).

In Koumac, New Caledonia, tomorrow, there will be 12h and 50min of daylight.