7-Day Weather Forecast

Koumac 7-Day Weather Forecast

Koumac

Aug 1 – Aug 7, 2026 as of 16:39

Week at a glance

Week high +27°C +81°F Thu, 6 Aug

Week low +11°C +52°F Mon, 3 Aug

Days with rain chance 3 Fri, 7 Aug · 5%

Avg. high +25°C +77°F

Koumac — 7-Day Weather Forecast

Weather FAQ for Koumac

What is the temperature in Koumac?

The temperature in Koumac is +23°C.

What does it feel like in Koumac?

It feels like +18°C in Koumac.

What are the high and low in Koumac?

The high is +23°C and the low is +18°C in Koumac.

What is the chance of rain in Koumac?

There is a 0% chance of precipitation in Koumac.

How windy is it in Koumac?

Winds are around 8.3 m/s from the SE in Koumac.

What is the UV index in Koumac?

The UV index is 6 in Koumac.

Koumac weather forecast day by day

Next 7 days in Koumac with daily highs, lows, rain chance and wind.

Saturday, 1 August weather in Koumac

On Saturday, 1 August, the Koumac forecast calls for Overcast, with a high near 23°C and a low around 18°C (feeling like 21°C). Typical daytime humidity is around 64%.

Sunday, 2 August weather in Koumac

On Sunday, 2 August, the Koumac forecast calls for Overcast, with a high near 24°C and a low around 14°C (feeling like 21°C). Typical daytime humidity is around 50%.

Monday, 3 August weather in Koumac

On Monday, 3 August, the Koumac forecast calls for Overcast, with a high near 25°C and a low around 11°C (feeling like 24°C). Typical daytime humidity is around 43%.

Tuesday, 4 August weather in Koumac

On Tuesday, 4 August, the Koumac forecast calls for Foggy, with a high near 25°C and a low around 13°C (feeling like 25°C). Typical daytime humidity is around 55%.

Wednesday, 5 August weather in Koumac

On Wednesday, 5 August, the Koumac forecast calls for Foggy, with a high near 26°C and a low around 14°C (feeling like 27°C). Typical daytime humidity is around 58%.

Thursday, 6 August weather in Koumac

On Thursday, 6 August, the Koumac forecast calls for Overcast, with a high near 27°C and a low around 14°C (feeling like 28°C). Typical daytime humidity is around 51%.

Friday, 7 August weather in Koumac

On Friday, 7 August, the Koumac forecast calls for Overcast, with a high near 26°C and a low around 13°C (feeling like 26°C). Typical daytime humidity is around 55%.