Biak weather live forecast

Today's maximum temperature in Biak is expected to be 27°C. Select a day from the live weather forecast for Biak, Indonesia for more weather parameters.

5-day weather forecast updated at 04:00 on Wednesday 17th December 2025 GMT

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

Biak weather forecast by day

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

Biak weather for Wednesday 17th December 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 16 kph from the west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 26°C minimum temperature26
    °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)
  • 75% chance of some rain75
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Biak weather for Thursday 18th December 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a light breeze of 10 kph from the west.

  • 29°C maximum temperature29
    °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 9 (Very High)9
    UV index (Very High)
  • 86% chance of some rain86
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the West10
    kph wind from W

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Biak weather for Friday 19th December 2025

Expect isolated thunderstorms in Biak, Indonesia 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 5-10 mm of rainfall expected with 70% chance of some rain and a light breeze of 9 kph from the south-west.

  • 30°C maximum temperature30
    °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 11+ (Extreme)11
    UV index (Extreme)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Biak weather for Saturday 20th December 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 8 kph from the north-east.

  • 29°C maximum temperature29
    °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 11+ (Extreme)11
    UV index (Extreme)
  • 78% chance of some rain78
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the North-East8
    kph wind from NE

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Biak weather for Sunday 21st December 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a light breeze of 7 kph from the north-east.

  • 30°C maximum temperature30
    °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 11+ (Extreme)11
    UV index (Extreme)
  • 81% chance of some rain81
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 kph from the North-East7
    kph wind from NE

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Metric (°C / mm)  |  Imperial (°F / inches)

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