Weather forecast for 10 daysTrincomalee, Sri Lanka

Weather forecast for the weekend

Saturday 24. Oct 2026

  • 32°C
  • 26°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 17km/hWSW 239°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
Today, on Saturday, 24th of October, widespread cloud cover is expected.
Temperature is forecasted to swing from a high of a humid 32°C to a low of a moderately hot 26°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a burning hot 46°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted peak temperature will reflect the average October high of 32.7°C.
Sunrise will be at 05:53 and sunset at 17:45; the daylight will last for 11h and 53min.

Sunday 25. Oct 2026

  • 31°C
  • 26°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 8mm
  • Wind: 18km/hSW 228°
  • Humidity: 81%
  • UV index: 9
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
Tomorrow, in Trincomalee, scattered thunderstorms are likely, with brief breaks between the stormy periods.
The likelihood of rain is high. However, precipitation will be light. Temperature values will show minor divergence, extending from a humid 31°C to a warm 26°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at a scorching 41°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The high is forecasted to coincide with October's normal of 32.7°C.
Sunrise will be at 05:53 and sunset at 17:45; tomorrow's daylight will last for 11h and 52min.

10-day overview

Daily temperatures

Maximum temperature: 32°C.
Minimum temperature: 30°C.

Chance of precipitation

Highest chance: Monday 65%.

Long-term weather forecast

  • Saturday
  • 24. Oct 2026
  • 32°C
  • 26°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 17km/hWSW 239°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Sunday
  • 25. Oct 2026
  • 31°C
  • 26°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 8mm
  • Wind: 18km/hSW 228°
  • Humidity: 81%
  • UV index: 9
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Monday
  • 26. Oct 2026
  • 30°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 9mm
  • Wind: 20km/hWSW 242°
  • Humidity: 85%
  • UV index: 6
  • Sunrise: 05:53 +0530
  • Sunset: 17:45 +0530
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 30°C
  • 25°C
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 2mm
  • Wind: 21km/hWSW 242°
  • Humidity: 81%
  • 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: 22km/hSW 230°
  • Humidity: 76%
  • 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: 44%
  • Precipitation: 6mm
  • Wind: 18km/hSW 219°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:44 +0530
  • ▼
  • Friday
  • 30. Oct 2026
  • 32°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 3mm
  • Wind: 12km/hSSW 212°
  • Humidity: 77%
  • 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: 36%
  • Precipitation: 3mm
  • Wind: 13km/hE 93°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:53 +0530
  • Sunset: 17:43 +0530
  • ▼
  • Sunday
  • 1. Nov 2026
  • 30°C
  • 25°C
PM Showers
PM Showers
  • Precip. probability: 43%
  • Precipitation: 7mm
  • Wind: 13km/hE 87°
  • Humidity: 82%
  • UV index: 11
  • Sunrise: 05:54 +0530
  • Sunset: 17:43 +0530
  • ▼
  • Monday
  • 2. Nov 2026
  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 10mm
  • Wind: 12km/hESE 102°
  • Humidity: 83%
  • UV index: 11
  • Sunrise: 05:54 +0530
  • Sunset: 17:43 +0530
  • ▼
For the next ten days, a combination of turbulent, damp and dull weather is predicted.
Rain is forecasted nearly every day for the next ten days.
The maximum temperature will be almost identical over the next several days. Expected highs will hover between 30°C and 32°C, while the overnight low will be also nearly unchanged, as the lowest temperatures will remain in the range of 25°C to 26°C.
The hottest days in Trincomalee will be Saturday, Wednesday through Friday, with a maximum of 32°C; with a maximum temperature of 30°C, Monday, Tuesday, next Sunday and Monday will be the coldest days in Trincomalee.
Including the humidity's impact, the maximum feel-like temperature may increase vastly and vary between a very hot 38°C and a life-threatening 46°C.
Updated: Oct 23, 2026 @ 21:45:36 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, limited sunshine due to thick clouds is expected.

Today, the maximum temperature will be 32°C, while the minimum temperature will be 26°C. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 46°C.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be slightly warmer than the average low of 23.2°C.

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

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

On Sunday, in Trincomalee, scattered thunderstorms are expected, with the potential for localized flooding in some areas.

Light precipitation of 8mm is anticipated in Trincomalee. The possibility of rainfall is 56%.

Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 26°C. The maximum heat index, which combines air temperature and relative humidity, is assessed at 41°C.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be slightly warmer than the average low temperature.

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

Tomorrow, the daylight will last for 11h and 52min.