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.

Saturday
19th Sep
29

26

6

11
Sunday
20th Sep
28

26

4

11
Monday
21st Sep
29

26

4

11
Tuesday
22nd Sep
30

26

6

11
Wednesday
23rd Sep
30

26

6

11

5-day weather forecast updated at 04:03 on Saturday 19th September 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 Saturday 19th September 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 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 25 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
42
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

Diego Garcia weather for Sunday 20th September 2026

Expect isolated thunderstorms in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 28°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 74% chance of some rain and a moderate breeze of 24 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from SE

Diego Garcia weather for Monday 21st September 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 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 21 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
72
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SE

Diego Garcia weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 23 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from E

Diego Garcia weather for Wednesday 23rd September 2026

Expect isolated thunderstorms in Diego Garcia, British Indian Ocean Territory with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 27 kph from the south-east.