British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 28°C. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

Saturday
18th Jul
28

26

7

9
Sunday
19th Jul
28

26

6

9
Monday
20th Jul
29

26

6

9
Tuesday
21st Jul
29

26

6

9
Wednesday
22nd Jul
29

26

5

9

5-day weather forecast updated at 04:03 on Saturday 18th July 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 Saturday 18th July 2026

Expect scattered clouds in British Indian Ocean Territory with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from SE

British Indian Ocean Territory weather for Sunday 19th July 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 25 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
55
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

British Indian Ocean Territory weather for Monday 20th July 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a fresh breeze of 30 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
24
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from SE

British Indian Ocean Territory weather for Tuesday 21st July 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 29 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from SE

British Indian Ocean Territory weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 36% chance of some rain and a fresh breeze of 31 kph from the south-east.