British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 30°C. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

Thursday
1st Jan
30

25

4

11
Friday
2nd Jan
29

26

5

11
Saturday
3rd Jan
29

26

4

11
Sunday
4th Jan
29

25

6

8
Monday
5th Jan
29

27

6

11

5-day weather forecast updated at 04:03 on Tuesday 30th 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 Thursday 1st January 2026

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 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 28 kph from the west.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
68
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from W

British Indian Ocean Territory weather for Friday 2nd January 2026

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 97% chance of some rain and a moderate breeze of 25 kph from the west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
97
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from W

British Indian Ocean Territory weather for Saturday 3rd January 2026

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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 26 kph from the north-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
89
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from NW

British Indian Ocean Territory weather for Sunday 4th January 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 25 kph from the north-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
97
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from NW

British Indian Ocean Territory weather for Monday 5th January 2026

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 92% chance of some rain and a moderate breeze of 20 kph from the north-west.