British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 27°C. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

5-day weather forecast updated at 04:03 on Saturday 23rd August 2025 GMT

More about the British Indian Ocean Territory

British Indian Ocean Territory by month

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

Recommended for the British Indian Ocean Territory

Momondo: Best deals on hotels worldwide

  • Browse the best deals on hotel stays & compare prices
  • Check lowest rates by month & also by day of the week
  • Search by date or browse hotels by destination & map
Go to Momondo deal >>

View all Momondo offers

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 Sunday 24th August 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 5% chance of some rain and a moderate breeze of 26 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 5% chance of some rain5
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 26 kph from the South-East26
    kph wind from SE

Back to top

British Indian Ocean Territory weather for Monday 25th August 2025

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 26 kph from the South-East26
    kph wind from SE

Back to top

British Indian Ocean Territory weather for Tuesday 26th August 2025

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 25 kph from the South-East25
    kph wind from SE

Back to top

British Indian Ocean Territory weather for Wednesday 27th August 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 27 kph from the south-east.

  • 28°C maximum temperature28
    °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)
  • 61% chance of some rain61
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 27 kph from the South-East27
    kph wind from SE

Back to top

British Indian Ocean Territory weather for Thursday 28th August 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 28 kph from the south-east.

  • 28°C maximum temperature28
    °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)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 28 kph from the South-East28
    kph wind from SE

Back to top

International Drivers Association: Get driving permit in 8 minutes

  • Order International Driving Permit (IDP) in 8 minutes online
  • Recognised in over 150 countries in Asia, Europe, Africa & more
  • Accepted by rental car agencies worldwide
Go to International Drivers Association deal >>

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

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^