Diego Garcia weather live forecast

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

Tuesday
15th Sep
28

26

1

8
Wednesday
16th Sep
29

26

7

8
Thursday
17th Sep
30

27

6

11
Friday
18th Sep
30

27

7

11
Saturday
19th Sep
29

26

6

11

5-day weather forecast updated at 04:03 on Tuesday 15th 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 Tuesday 15th 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 8 (Very High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 21 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
8
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SE

Diego Garcia weather for Wednesday 16th 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 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 28% 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
7
hours of sunshine
8
UV index (Very High)
28
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

Diego Garcia weather for Thursday 17th September 2026

Expect broken clouds 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 mm of rainfall expected and a moderate breeze of 27 kph from the south-east.

30
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SE

Diego Garcia weather for Friday 18th 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 27 kph from the south-east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
62
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SE

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 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 26 kph from the south-east.