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
9th Dec
29

26

6

11
Wednesday
10th Dec
30

27

6

11
Thursday
11th Dec
30

26

7

11
Friday
12th Dec
30

26

8

11
Saturday
13th Dec
30

26

9

11

5-day weather forecast updated at 04:03 on Monday 8th 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 9th 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 69% chance of some rain and a gentle breeze of 13 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
69
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SE

British Indian Ocean Territory weather for Wednesday 10th 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a light breeze of 12 kph from the south-east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
42
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

British Indian Ocean Territory weather for Thursday 11th 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 9 kph from the south-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
61
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SE

British Indian Ocean Territory weather for Friday 12th 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 8 hours of bright sunshine. There are 10-20 mm of rainfall expected with 50% chance of some rain and a light breeze of 7 kph from the south.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
50
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from S

British Indian Ocean Territory weather for Saturday 13th 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 9 hours of bright sunshine. There are 20-30 mm of rainfall expected with 47% chance of some rain and a light breeze of 9 kph from the north.