British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 29°C. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

Tuesday
2nd Dec
29

26

7

11
Wednesday
3rd Dec
29

26

6

11
Thursday
4th Dec
30

26

3

11
Friday
5th Dec
29

26

4

10
Saturday
6th Dec
29

26

5

11

5-day weather forecast updated at 04:03 on Tuesday 2nd December 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 Tuesday 2nd December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

British Indian Ocean Territory weather for Wednesday 3rd December 2025

Expect isolated thunderstorms in British Indian Ocean Territory 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 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 17 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
87
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

British Indian Ocean Territory weather for Thursday 4th December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 21 kph from the south-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
87
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SE

British Indian Ocean Territory weather for Friday 5th December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a gentle breeze of 18 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
10
UV index (Very High)
94
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

British Indian Ocean Territory weather for Saturday 6th December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°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 82% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
82
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

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

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British Indian Ocean Territory - quick facts
Time difference	UK +6 hours
Language(s)	English
Currency	Pound Sterling, US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	British Indian Ocean Territory Administration