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.

Tuesday
19th May
29

27

6

10
Wednesday
20th May
29

27

6

10
Thursday
21st May
29

26

5

10
Friday
22nd May
29

26

5

9
Saturday
23rd May
29

27

7

10

5-day weather forecast updated at 04:02 on Monday 18th May 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 Tuesday 19th May 2026

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

29
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from SE

British Indian Ocean Territory weather for Wednesday 20th May 2026

29
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SE

British Indian Ocean Territory weather for Thursday 21st May 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 2-5 mm of rainfall expected with 18% chance of some rain and a light breeze of 10 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
18
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

British Indian Ocean Territory weather for Friday 22nd May 2026

Expect broken clouds 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 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SE

British Indian Ocean Territory weather for Saturday 23rd May 2026

Expect broken clouds in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.