Ha Long Bay weather live forecast

Today's maximum temperature in Ha Long Bay is expected to be 31°C. Select a day from the live weather forecast for Ha Long Bay, Vietnam for more weather parameters.

5-day weather forecast updated at 04:03 on Monday 11th 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 Tuesday 12th May 2026

Expect broken clouds in Ha Long Bay, Vietnam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

  • 31°C maximum temperature31
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the South12
    kph wind from S

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Ha Long Bay weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 13 kph from the south.

  • 31°C maximum temperature31
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Ha Long Bay weather for Thursday 14th May 2026

Expect broken clouds in Ha Long Bay, Vietnam with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 32°C maximum temperature32
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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Ha Long Bay weather for Friday 15th May 2026

Expect isolated thunderstorms in Ha Long Bay, Vietnam 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 63% chance of some rain and a light breeze of 11 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 63% chance of some rain63
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 11 kph from the East11
    kph wind from E

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Ha Long Bay weather for Saturday 16th 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 2 (Low) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 14 kph from the south-east.

  • 30°C maximum temperature30
    °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 2 (Low)2
    UV index (Low)
  • 76% chance of some rain76
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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  • Save up to £400 per adult couple on tours in 2026
  • Enter discount code at checkout to see discount applied
  • Travel before 31st December 2026 (inclusive)
Show discount codeShow discount code ******100
Redeem Mercury Holidays discount code >>

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