British Indian Ocean Territory weather live forecast

Tomorrow's maximum temperature in the British Indian Ocean Territory is expected to be 86°F.

5-day weather forecast updated at 04:02 on Thursday 19th June 2025 GMT

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The 5-day weather forecast for British Indian Ocean Territory, represented by Diego Garcia, (Diego Garcia) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

British Indian Ocean Territory weather forecast by day

Below are the detailed weather forecasts for the British Indian Ocean Territory for the next 5 days. The forecasts shown are for Diego Garcia and may not represent the whole of the British Indian Ocean Territory. Browse more destinations in British Indian Ocean Territory to view more weather forecasts.

British Indian Ocean Territory weather for Friday 20th June 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 16 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 84% chance of some rain84
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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British Indian Ocean Territory weather for Saturday 21st June 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 16 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 29% chance of some rain29
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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British Indian Ocean Territory weather for Sunday 22nd June 2025

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the South-East16
    mph wind from SE

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British Indian Ocean Territory weather for Monday 23rd June 2025

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the South-East16
    mph wind from SE

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British Indian Ocean Territory weather for Tuesday 24th June 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 16 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 27% chance of some rain27
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the South-East16
    mph wind from SE

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