Weather forecast for 10 daysKoloa, Tonga

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 27°C.
Coldest period: today - Thursday 25°C.

Chance of precipitation

Highest chance: Wednesday 36%.

Long-term weather forecast

  • Monday
  • 19. Oct 2026
  • 25°C
  • 21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 31km/hSSE 159°
  • Humidity: 72%
  • UV index: 8
  • Sunrise: 06:02 +13
  • Sunset: 18:38 +13
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 25°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 28km/hSSE 154°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 06:02 +13
  • Sunset: 18:38 +13
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 25°C
  • 21°C
AM Showers
AM Showers
  • Precip. probability: 36%
  • Precipitation: 2mm
  • Wind: 31km/hSE 133°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 06:01 +13
  • Sunset: 18:38 +13
  • ▼
  • Thursday
  • 22. Oct 2026
  • 25°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 30km/hESE 117°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 06:00 +13
  • Sunset: 18:39 +13
  • ▼
  • Friday
  • 23. Oct 2026
  • 26°C
  • 22°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 25km/hESE 105°
  • Humidity: 66%
  • UV index: 11
  • Sunrise: 06:00 +13
  • Sunset: 18:39 +13
  • ▼
  • Saturday
  • 24. Oct 2026
  • 26°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 31km/hESE 112°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 05:59 +13
  • Sunset: 18:40 +13
  • ▼
  • Sunday
  • 25. Oct 2026
  • 26°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 31km/hESE 105°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:59 +13
  • Sunset: 18:40 +13
  • ▼
  • Monday
  • 26. Oct 2026
  • 26°C
  • 22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 28km/hE 99°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 05:58 +13
  • Sunset: 18:40 +13
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 27°C
  • 22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 23km/hE 98°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 05:57 +13
  • Sunset: 18:41 +13
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 27°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 22km/hESE 102°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:57 +13
  • Sunset: 18:41 +13
  • ▼
For the next ten days, a combination of primarily cloudy and occasionally showery and clear weather is anticipated.
With a probability of 36%, rainfall is expected only on Wednesday. Expected precipitation will be minimal at 2mm.
The high temperatures are expected to remain largely stable across the forecast window. Highs will range from 25°C to 27°C, while the lowest nighttime temperatures will be also relatively consistent, as the minimum temperature will fluctuate between 21°C and 22°C.
The warmest days will be next Tuesday and Wednesday, with a maximum of 27°C; Monday through Thursday, with the highest temperature of 25°C, will be the coldest days.
Updated: Oct 19, 2026 @ 01:41:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Koloa, a combination of predominantly overcast and occasionally rain-filled and sunny weather is forecasted for the next ten days.

Rainfall is anticipated only on Wednesday. With a probability of 36%, minimal precipitation of 2mm is expected.

The maximum temperature will range between 25°C and 27°C, while the minimum temperature will be between 21°C and 22°C.

The warmest days will be next Tuesday and Wednesday, with a maximum of 27°C. With a maximum temperature of 25°C, Monday through Thursday will be the coldest days in Koloa.

On Saturday, in Koloa, mostly clear with scattered clouds is expected.

On Saturday, the highest temperature will be 26°C, while the lowest temperature will be 22°C.

On Sunday, a mix of clouds and blue sky is expected.

On Sunday, the highest temperature will be 26°C, while the lowest temperature will be 22°C.