Byron Bay weather live forecast

Today's maximum temperature in Byron Bay is expected to be 21°C. Select a day from the live weather forecast for Byron Bay, New South Wales, Australia for more weather parameters.

5-day weather forecast updated at 04:02 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for New South Wales (Byron Bay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Byron Bay weather forecast by day

Below are the detailed weather forecasts for Byron Bay for the next 5 days.

Byron Bay weather for Thursday 18th September 2025

Expect broken clouds in Byron Bay, New South Wales with a maximum temperature of 21°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the South29
    kph wind from S

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Byron Bay weather for Friday 19th September 2025

Expect scattered clouds in Byron Bay, New South Wales with a maximum temperature of 23°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

  • 23°C maximum temperature23
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 31 kph from the North31
    kph wind from N

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Byron Bay weather for Saturday 20th September 2025

Expect isolated thunderstorms in Byron Bay, New South Wales with a maximum temperature of 22°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 64% chance of some rain and a fresh breeze of 29 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 64% chance of some rain64
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Fresh breeze of 29 kph from the North29
    kph wind from N

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Byron Bay weather for Sunday 21st September 2025

Expect broken clouds in Byron Bay, New South Wales with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Byron Bay weather for Monday 22nd September 2025

Expect sunshine and showers in Byron Bay, New South Wales with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 23 kph from the west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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

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