Phnom Penh weather live forecast

Today's maximum temperature in Phnom Penh is expected to be 29°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 Saturday 19th September 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 20th September 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and little or no wind of 3 kph from the north-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 89% chance of some rain89
    % 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 3 kph from the North-West3
    kph wind from NW

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Phnom Penh weather for Monday 21st September 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and little or no wind of 3 kph from the north-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 88% chance of some rain88
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 kph from the North-West3
    kph wind from NW

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Phnom Penh weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and little or no wind of 3 kph from the north.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 84% chance of some rain84
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 kph from the North3
    kph wind from N

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Phnom Penh weather for Wednesday 23rd September 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and little or no wind of 3 kph from the north.

  • 29°C maximum temperature29
    °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 8 (Very High)8
    UV index (Very High)
  • 89% chance of some rain89
    % 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 3 kph from the North3
    kph wind from N

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Phnom Penh weather for Thursday 24th September 2026

Expect isolated thunderstorms in Phnom Penh, Cambodia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and little or no wind of 3 kph from the north.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 91% chance of some rain91
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 kph from the North3
    kph wind from N

Back to top

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