Biak weather live forecast

Today's maximum temperature in Biak is expected to be 30°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 Thursday 4th September 2025 GMT

More about Biak

Biak by month

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

Recommended for Indonesia

  • Find best room rates on Avani Hotels & Resorts
  • Explore hotels in Thailand, Cambodia, Vietnam & beyond
  • Includes room upgades, dining deals & more

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 Friday 5th September 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 65% chance of some rain and a light breeze of 10 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 65% chance of some rain65
    % 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 East10
    kph wind from E

Back to top

Biak weather for Saturday 6th September 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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a light breeze of 10 kph from the east.

  • 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 11 (Extreme)11
    UV index (Extreme)
  • 68% chance of some rain68
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the East10
    kph wind from E

Back to top

Biak weather for Sunday 7th September 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 8 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 74% chance of some rain74
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

Back to top

Biak weather for Monday 8th September 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a light breeze of 9 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 89% chance of some rain89
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

Back to top

Biak weather for Tuesday 9th September 2025

Expect isolated thunderstorms in Biak, Indonesia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a light breeze of 8 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °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
  • 5-10 mm of rainfall expected<10
    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

  • Save up to 20% when you book long stays with Marriott
  • 20% off - 4-6 nights, 15% off 3 nights
  • Book hotels in Europe, the Middle East & Africa

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

Back to top

More about Indonesia

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save on travel with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^