Diego Garcia weather live forecast

Today's maximum temperature in Diego Garcia is expected to be 29°C. Select a day from the live weather forecast for Diego Garcia, British Indian Ocean Territory for more weather parameters.

Thursday
21st May
29

27

4

UV9
Friday
22nd May
29

27

5

UV10
Saturday
23rd May
29

27

7

UV9
Sunday
24th May
29

26

6

UV8
Monday
25th May
29

27

7

UV7

5-day weather forecast updated at 04:02 on Wednesday 20th May 2026 GMT

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Recommended for the British Indian Ocean Territory

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.

Diego Garcia weather forecast by day

Below are the detailed weather forecasts for Diego Garcia for the next 5 days.

Diego Garcia weather for Thursday 21st May 2026

Expect broken clouds in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

29
°C maximum temperature
27
°C minimum temperature
broken clouds
4
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from SW

Diego Garcia weather for Friday 22nd May 2026

Expect isolated thunderstorms in Diego Garcia, 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 0-2 mm of rainfall expected with 22% chance of some rain and a light breeze of 8 kph from the south-east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV10
UV index (Very High)
22
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SE

Diego Garcia weather for Saturday 23rd May 2026

Expect isolated thunderstorms in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a light breeze of 11 kph from the south-east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
UV9
UV index (Very High)
25
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SE

Diego Garcia weather for Sunday 24th May 2026

Expect isolated thunderstorms in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV8
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

Diego Garcia weather for Monday 25th May 2026

Expect broken clouds in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.