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
20th Mar
29

26

7

11
Saturday
21st Mar
30

27

7

11
Sunday
22nd Mar
31

27

6

11
Monday
23rd Mar
31

27

8

11
Tuesday
24th Mar
31

27

7

11

5-day weather forecast updated at 04:02 on Friday 20th March 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 20th March 2026

Expect scattered clouds 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 0 mm of rainfall expected and little or no wind of 6 kph from the north.

29
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from N

British Indian Ocean Territory weather for Saturday 21st March 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a light breeze of 8 kph from the north-east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
50
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from NE

British Indian Ocean Territory weather for Sunday 22nd March 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a light breeze of 10 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
27
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

British Indian Ocean Territory weather for Monday 23rd March 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a light breeze of 10 kph from the south-east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
63
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

British Indian Ocean Territory weather for Tuesday 24th March 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 7 kph from the east.