Mirissa Beach weather live forecast

Today's maximum temperature in Mirissa Beach is expected to be 90°F. Select a day from the live weather forecast for Mirissa Beach, Sri Lanka for more weather parameters.

5-day weather forecast updated at 04:02 on Tuesday 28th July 2026 GMT

More about Mirissa Beach

Mirissa Beach by month

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

Recommended for Sri Lanka

TUI: Top deals & discounts on 2026/2027 holidays

  • 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
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

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

Mirissa Beach weather forecast by day

Below are the detailed weather forecasts for Mirissa Beach for the next 5 days.

Mirissa Beach weather for Wednesday 29th July 2026

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 12 mph from the west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 76% chance of some rain76
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 12 mph from the West12
    mph wind from W

Back to top

Mirissa Beach weather for Thursday 30th July 2026

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 12 mph from the west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 98% chance of some rain98
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 12 mph from the West12
    mph wind from W

Back to top

Mirissa Beach weather for Friday 31st July 2026

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 11 mph from the west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the West11
    mph wind from W

Back to top

Mirissa Beach weather for Saturday 1st August 2026

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 12 mph from the west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 93% chance of some rain93
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 12 mph from the West12
    mph wind from W

Back to top

Mirissa Beach weather for Sunday 2nd August 2026

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 11 mph from the west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 95% chance of some rain95
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the West11
    mph wind from W

Back to top

TUI: Top deals & discounts on 2026/2027 holidays

  • 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
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

More about Sri Lanka

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^