Mount Lavinia-Dehiwala weather live forecast

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

• Thursday
  18th Sep
  31
  25
  
  4
  7
• Friday
  19th Sep
  31
  25
  
  5
  10
• Saturday
  20th Sep
  31
  25
  
  6
  10
• Sunday
  21st Sep
  31
  25
  
  5
  8
• Monday
  22nd Sep
  31
  25
  
  5
  11

5-day weather forecast updated at 04:02 on Wednesday 17th September 2025 GMT

More about Mount Lavinia-Dehiwala

• 
  Best time to visit
• 
  Weather by month
• 
  Destinations
• 
  Travel guide
• 
  Deals & discounts

Mount Lavinia-Dehiwala by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Sri Lanka

• TUI^*
• Roamless^*
• Travelsphere^*
• Love Holidays^*

TUI: up to 8% off holidays booked online

Sale

• Book online with TUI & save up to 8% on holidays
• FREE child places available for select holidays
• Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

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

Mount Lavinia-Dehiwala weather forecast by day

Below are the detailed weather forecasts for Mount Lavinia-Dehiwala for the next 5 days.

Mount Lavinia-Dehiwala weather for Thursday 18th September 2025

Expect isolated thunderstorms in Mount Lavinia-Dehiwala, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 82% chance of some rain and a light breeze of 10 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 7
  UV index (High)
• 82
  % chance of some rain
• <40
  mm of rainfall expected
• M
  moderate heat & humidity
• 10
  kph wind from SW

Back to top

Mount Lavinia-Dehiwala weather for Friday 19th September 2025

Expect isolated thunderstorms in Mount Lavinia-Dehiwala, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a light breeze of 10 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 10
  UV index (Very High)
• 85
  % chance of some rain
• <20
  mm of rainfall expected
• M
  moderate heat & humidity
• 10
  kph wind from SW

Back to top

Mount Lavinia-Dehiwala weather for Saturday 20th September 2025

Expect isolated thunderstorms in Mount Lavinia-Dehiwala, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 11 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 10
  UV index (Very High)
• 83
  % chance of some rain
• <20
  mm of rainfall expected
• M
  moderate heat & humidity
• 11
  kph wind from SW

Back to top

Mount Lavinia-Dehiwala weather for Sunday 21st September 2025

Expect isolated thunderstorms in Mount Lavinia-Dehiwala, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a light breeze of 12 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 8
  UV index (Very High)
• 93
  % chance of some rain
• <20
  mm of rainfall expected
• M
  moderate heat & humidity
• 12
  kph wind from SW

Back to top

Mount Lavinia-Dehiwala weather for Monday 22nd September 2025

Expect isolated thunderstorms in Mount Lavinia-Dehiwala, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a light breeze of 12 kph from the south-west.

• 31
  °C maximum temperature
• 25
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 11
  UV index (Extreme)
• 81
  % chance of some rain
• <10
  mm of rainfall expected
• M
  moderate heat & humidity
• 12
  kph wind from SW

Back to top

TUI: up to 8% off holidays booked online

Sale

• Book online with TUI & save up to 8% on holidays
• FREE child places available for select holidays
• Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Sri Lanka

Related posts

Popular travel offers

Explore holiday destinations

• Beach holidays
• City breaks
• Family holidays
• Half term holidays
• Spring holidays
• Summer holidays
• Autumn holidays
• Winter sun holidays
• Honeymoons
• Coolcations
• Compare places
• Ski resorts

More holidays

Save with latest deals & discounts

• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• TUI
• Jet2holidays
• Neilson
• Marella Cruises
• Roamless eSIMs
• Confused.com
• Pierre & Vacances
• Caledonian Travel

More deals

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^