Vientiane weather live forecast

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

5-day weather forecast updated at 04:00 on Wednesday 3rd September 2025 GMT

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

Vientiane weather forecast by day

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

Vientiane weather for Wednesday 3rd September 2025

Expect isolated thunderstorms in Vientiane, Laos 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 10-20 mm of rainfall expected with 58% chance of some rain and little or no wind of 6 kph from the east.

  • 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 7 (High)7
    UV index (High)
  • 58% chance of some rain58
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

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Vientiane weather for Thursday 4th September 2025

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and little or no wind of 5 kph from the east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 45% chance of some rain45
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Vientiane weather for Friday 5th September 2025

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and little or no wind of 5 kph from the east.

  • 33°C maximum temperature33
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 59% chance of some rain59
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Vientiane weather for Saturday 6th September 2025

Expect isolated thunderstorms in Vientiane, Laos with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and little or no wind of 5 kph from the east.

  • 32°C maximum temperature32
    °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)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Vientiane weather for Sunday 7th September 2025

Expect isolated thunderstorms in Vientiane, Laos 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 20-30 mm of rainfall expected with 86% chance of some rain and little or no wind of 5 kph from the east.

  • 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 7 (High)7
    UV index (High)
  • 86% chance of some rain86
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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

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