Phnom Penh weather live forecast

Today's maximum temperature in Phnom Penh is expected to be 30°C. Select a day from the live weather forecast for Phnom Penh, Cambodia for more weather parameters.

5-day weather forecast updated at 04:00 on Sunday 23rd August 2026 GMT

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

Phnom Penh weather forecast by day

Below are the detailed weather forecasts for Phnom Penh for the next 5 days.

Phnom Penh weather for Sunday 23rd August 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a light breeze of 7 kph from the south-west.

  • 30°C maximum temperature30
    °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 11 (Extreme)11
    UV index (Extreme)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

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Phnom Penh weather for Monday 24th August 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 8 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 55% chance of some rain55
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Phnom Penh weather for Tuesday 25th August 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a light breeze of 8 kph from the south-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 45% chance of some rain45
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Phnom Penh weather for Wednesday 26th August 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a light breeze of 8 kph from the south-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 48% chance of some rain48
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Phnom Penh weather for Thursday 27th August 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a light breeze of 8 kph from the south-west.

  • 31°C maximum temperature31
    °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 11 (Extreme)11
    UV index (Extreme)
  • 59% chance of some rain59
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

Back to top

Intrepid Travel discount code: £200 off small group tours

  • Save EXTRA £200 on select small group tours worldwide
  • Min spend of £1,500 per person. T&Cs apply
  • Travel before 30th June 2027 (inclusive)
Show discount codeShow discount code ******011
Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

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