Ha Long Bay weather live forecast

Today's maximum temperature in Ha Long Bay is expected to be 29°C. Select a day from the live weather forecast for Ha Long Bay, Vietnam for more weather parameters.

5-day weather forecast updated at 04:02 on Sunday 17th May 2026 GMT

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The 5-day weather forecast for Vietnam (Ha Long Bay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ha Long Bay weather forecast by day

Below are the detailed weather forecasts for Ha Long Bay for the next 5 days.

Ha Long Bay weather for Sunday 17th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 54% chance of some rain and a light breeze of 12 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the East12
    kph wind from E

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Ha Long Bay weather for Monday 18th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 13 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 85% chance of some rain85
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Ha Long Bay weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a light breeze of 9 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 66% chance of some rain66
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Ha Long Bay weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a light breeze of 9 kph from the south-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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Ha Long Bay weather for Thursday 21st May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a light breeze of 10 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 70% chance of some rain70
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the South-East10
    kph wind from SE

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