Trincomalee weather live forecast

Today's maximum temperature in Trincomalee is expected to be 31°C. Select a day from the live weather forecast for Trincomalee, Sri Lanka for more weather parameters.

• Tuesday
  12th May
  31
  25
  
  6
  8
• Wednesday
  13th May
  31
  26
  
  5
  7
• Thursday
  14th May
  33
  26
  
  6
  9
• Friday
  15th May
  32
  26
  
  6
  9
• Saturday
  16th May
  34
  27
  
  8
  5

5-day weather forecast updated at 04:00 on Monday 11th May 2026 GMT

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The 5-day weather forecast for Sri Lanka (Trincomalee) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Trincomalee weather forecast by day

Below are the detailed weather forecasts for Trincomalee for the next 5 days.

Trincomalee weather for Tuesday 12th May 2026

Expect isolated thunderstorms in Trincomalee, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a light breeze of 8 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 8
  UV index (Very High)
• 85
  % chance of some rain
• <20
  mm of rainfall expected
• M
  moderate heat & humidity
• 8
  kph wind from SW

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Trincomalee weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Trincomalee, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 17 kph from the south-west.

• 31
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 7
  UV index (High)
• 64
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 17
  kph wind from SW

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Trincomalee weather for Thursday 14th May 2026

Expect isolated thunderstorms in Trincomalee, Sri Lanka with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 15 kph from the south-west.

• 33
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 41
  % chance of some rain
• <5
  mm of rainfall expected
• H
  high heat & humidity
• 15
  kph wind from SW

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Trincomalee weather for Friday 15th May 2026

Expect isolated thunderstorms in Trincomalee, Sri Lanka with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 16 kph from the south-west.

• 32
  °C maximum temperature
• 26
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 36
  % chance of some rain
• <2
  mm of rainfall expected
• H
  high heat & humidity
• 16
  kph wind from SW

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Trincomalee weather for Saturday 16th May 2026

Expect isolated thunderstorms in Trincomalee, Sri Lanka with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 18 kph from the south-west.

• 34
  °C maximum temperature
• 27
  °C minimum temperature
• 
  isolated thunderstorms
• 8
  hours of sunshine
• 5
  UV index (Moderate)
• 43
  % chance of some rain
• <2
  mm of rainfall expected
• H
  high heat & humidity
• 18
  kph wind from SW

Back to top

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• Explore latest special offers & online deals from TUI
• Free child places & £0 deposits with direct debit available
• Book summer & winter sun holidays in 2026/2027

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