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.

Saturday
20th Dec
29

26

4

11
Sunday
21st Dec
29

25

3

11
Monday
22nd Dec
29

26

6

11
Tuesday
23rd Dec
29

25

7

11
Wednesday
24th Dec
30

26

7

7

5-day weather forecast updated at 04:03 on Friday 19th 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 Saturday 20th 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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
73
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from SE

British Indian Ocean Territory weather for Sunday 21st 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 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a light breeze of 12 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
67
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

British Indian Ocean Territory weather for Monday 22nd 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 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 10 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
75
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from NE

British Indian Ocean Territory weather for Tuesday 23rd 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 10-20 mm of rainfall expected with 76% chance of some rain and a light breeze of 10 kph from the north-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
76
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from NW

British Indian Ocean Territory weather for Wednesday 24th 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 7 (High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a light breeze of 11 kph from the west.