Weather forecast for 10 daysTrincomalee, Sri Lanka

Weather forecast for the weekend

Saturday 24. Oct 2026

  • 32°C
  • 26°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 2mm
  • Wind: 17km/hSW 235°
  • Humidity: 79%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
Tomorrow, on Saturday, afternoon storms could include thunder and brief downpours.
Minimal precipitation is predicted. The temperature will vary between a maximum of a tropical 32°C and a minimum of a temperate 26°C.
The maximum heat index, which adjusts the air temperature based on humidity, is assessed at an extremely hot 44°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's maximum temperature is expected to reflect the standard October high of 32.7°C.
Sunrise will be at 05:53 and sunset at 17:45; tomorrow's daylight will last for 11h and 53min.

Sunday 25. Oct 2026

  • 31°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 5mm
  • Wind: 19km/hSW 230°
  • Humidity: 80%
  • UV index: 9
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
On Sunday, in Trincomalee, storm clouds will develop in the afternoon, bringing thunder and rain.
The chance of rain is low, and light precipitation is expected. The maximum temperature will be a hot 31°C, while the minimum forecasted temperature is a warm 25°C.
Sunday's peak temperature is expected to align with October's common high of 32.7°C.
Sunrise will be at 05:53 and sunset at 17:45; the daylight will last for 11h and 52min.

10-day overview

Daily temperatures

Maximum temperature: 32°C.
Coldest day: Monday 29°C.

Chance of precipitation

Highest chance: Monday 73%.

Long-term weather forecast

  • Friday
  • 23. Oct 2026
  • min.
  • 25°C
Showers Early
Showers Early
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 13km/hSW 232°
  • Humidity: 93%
  • UV index: 0
  • Sunrise: 05:53 +0530
  • Sunset: 17:46 +0530
  • ▼
  • Saturday
  • 24. Oct 2026
  • 32°C
  • 26°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 2mm
  • Wind: 17km/hSW 235°
  • Humidity: 79%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Sunday
  • 25. Oct 2026
  • 31°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 5mm
  • Wind: 19km/hSW 230°
  • Humidity: 80%
  • UV index: 9
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Monday
  • 26. Oct 2026
  • 29°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 14mm
  • Wind: 20km/hWSW 244°
  • Humidity: 86%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 30°C
  • 25°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 7mm
  • Wind: 21km/hWSW 245°
  • Humidity: 80%
  • UV index: 9
  • Sunrise: 05:53 +0530
  • Sunset: 17:44 +0530
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 21km/hSW 228°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:44 +0530
  • ▼
  • Thursday
  • 29. Oct 2026
  • 32°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 43%
  • Precipitation: 2mm
  • Wind: 16km/hSW 219°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:44 +0530
  • ▼
  • Friday
  • 30. Oct 2026
  • 31°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 4mm
  • Wind: 12km/hSSW 211°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:43 +0530
  • ▼
  • Saturday
  • 31. Oct 2026
  • 31°C
  • 25°C
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 4mm
  • Wind: 14km/hE 97°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:43 +0530
  • ▼
  • Sunday
  • 1. Nov 2026
  • 30°C
  • 25°C
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 8mm
  • Wind: 13km/hE 85°
  • Humidity: 83%
  • UV index: 11
  • Sunrise: 05:54 +0530
  • Sunset: 17:43 +0530
  • ▼
Over the next ten days, a mix of stormy, showery and gloomy weather is predicted.
Rain is anticipated on Friday through Tuesday, Thursday through next Sunday.
Fluctuations in temperature will be barely perceptible across the forecast window. Expected highs will hover between 29°C and 32°C, while changes in the overnight low will be also barely noticeable, as night temperatures will lie between 25°C and 26°C.
Saturday, Wednesday and Thursday, with the highest temperature of 32°C, will be the hottest days in Trincomalee; the lowest daytime temperature of the period will be reached on Monday, peaking at 29°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase significantly and vary between a very hot 36°C and a torridly hot 44°C.
Updated: Oct 23, 2026 @ 13:34:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Trincomalee, unstable skies may bring rain, thunder, and brief gusts later today.

Tomorrow, there is a low probability of minimal rainfall in Trincomalee.

Tomorrow, the maximum temperature will be 32°C, while the minimum temperature will be 26°C. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 44°C.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be a couple of degrees higher than the average low temperature.

On Saturday, in Trincomalee, sunrise will be at 05:53 and sunset at 17:45 (+0530).

In Trincomalee, the length of the day tomorrow will be 11h and 53min.

On Sunday, passing thunderstorms may develop after midday.

Light precipitation of 5mm is anticipated on Sunday. The chance of rainfall is 50%.

On Sunday, the highest temperature will be 31°C, while the lowest temperature will be 25°C.