Siem Reap weather live forecast

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

5-day weather forecast updated at 04:00 on Monday 19th October 2026 GMT

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

Siem Reap weather forecast by day

Below are the detailed weather forecasts for Siem Reap for the next 5 days.

Siem Reap weather for Tuesday 20th October 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 31°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and little or no wind of 3 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 25°C minimum temperature25
    °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)
  • 49% chance of some rain49
    % 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 3 kph from the East3
    kph wind from E

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Siem Reap weather for Wednesday 21st October 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 31°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and little or no wind of 3 kph from the north-east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 25°C minimum temperature25
    °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)
  • 70% chance of some rain70
    % 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 3 kph from the North-East3
    kph wind from NE

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Siem Reap weather for Thursday 22nd October 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 31°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 79% chance of some rain and little or no wind of 3 kph from the east.

  • 31°C maximum temperature31
    °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)
  • 79% chance of some rain79
    % 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 3 kph from the East3
    kph wind from E

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Siem Reap weather for Friday 23rd October 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and little or no wind of 3 kph from the south-east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 61% chance of some rain61
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 3 kph from the South-East3
    kph wind from SE

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Siem Reap weather for Saturday 24th October 2026

Expect broken clouds in Siem Reap, Cambodia with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south.

  • 33°C maximum temperature33
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 3 kph from the South3
    kph wind from S

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  • Travel before 31st March 2027 (inclusive)
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