Siem Reap weather live forecast

Today's maximum temperature in Siem Reap is expected to be 32°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

More about Siem Reap

Siem Reap by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cambodia

  • Save EXTRA 10% on all active adventure holidays
  • Trips to Europe, Asia, Africa, Americas & Oceania
  • Book online with exclusive discount code

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 Monday 19th October 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and little or no wind of 4 kph from the 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 10 (Very High)10
    UV index (Very High)
  • 27% chance of some rain27
    % 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 4 kph from the East4
    kph wind from E

Back to top

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

Back to top

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

Back to top

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

Back to top

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

Back to top

  • Save up to 15% on selected small trips worldwide
  • Book tours across Europe, Africa, Asia & the Americas
  • Travel before 31st March 2027 (inclusive)

Expires at 23:59 on Saturday 31st Oct 2026 · View all Intrepid Travel offers

More about Cambodia

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^