Siemreab weather live forecast

Today's maximum temperature in Siemreab is expected to be 32°C. Select a day from the live weather forecast for Siemreab, Cambodia for more weather parameters.

5-day weather forecast updated at 04:00 on Monday 11th May 2026 GMT

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

Siemreab weather forecast by day

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

Siemreab weather for Tuesday 12th May 2026

Expect isolated thunderstorms in Siemreab, Cambodia with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and little or no wind of 4 kph from the west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 51% chance of some rain51
    % 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 4 kph from the West4
    kph wind from W

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Siemreab weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Siemreab, Cambodia with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and little or no wind of 5 kph from the west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 61% chance of some rain61
    % 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 West5
    kph wind from W

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Siemreab weather for Thursday 14th May 2026

Expect isolated thunderstorms in Siemreab, Cambodia with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and little or no wind of 5 kph from the south-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 59% chance of some rain59
    % 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 South-West5
    kph wind from SW

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Siemreab weather for Friday 15th May 2026

Expect isolated thunderstorms in Siemreab, Cambodia with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and little or no wind of 6 kph from the west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 63% chance of some rain63
    % 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 6 kph from the West6
    kph wind from W

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Siemreab weather for Saturday 16th May 2026

Expect isolated thunderstorms in Siemreab, Cambodia with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and little or no wind of 6 kph from the south-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 75% chance of some rain75
    % 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 6 kph from the South-West6
    kph wind from SW

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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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