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.

Friday
2nd Jan
29

26

4

11
Saturday
3rd Jan
29

26

5

10
Sunday
4th Jan
29

26

5

10
Monday
5th Jan
29

26

2

10
Tuesday
6th Jan
28

25

1

7

5-day weather forecast updated at 04:03 on Friday 2nd January 2026 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 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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 25 kph from the west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
85
% 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 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 21 kph from the west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
77
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from W

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 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 22 kph from the north-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
89
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
22
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 10 (Very High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 20 kph from the north-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
10
UV index (Very High)
96
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from NW

British Indian Ocean Territory weather for Tuesday 6th January 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a moderate breeze of 25 kph from the west.