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.

Sunday
30th Aug
29

26

5

11
Monday
31st Aug
29

25

3

9
Tuesday
1st Sep
29

25

2

9
Wednesday
2nd Sep
30

25

4

7
Thursday
3rd Sep
30

26

6

11

5-day weather forecast updated at 04:03 on Sunday 30th August 2026 GMT

More about the British Indian Ocean Territory

British Indian Ocean Territory by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

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 Sunday 30th August 2026

Expect sunshine and showers in British Indian Ocean Territory with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a fresh breeze of 35 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
sunshine and showers
5
hours of sunshine
11
UV index (Extreme)
30
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
35
kph wind from SE

British Indian Ocean Territory weather for Monday 31st August 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 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 34 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
73
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
34
kph wind from SE

British Indian Ocean Territory weather for Tuesday 1st September 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 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 33 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
68
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
33
kph wind from SE

British Indian Ocean Territory weather for Wednesday 2nd September 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 32 kph from the south-east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
65
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
32
kph wind from SE

British Indian Ocean Territory weather for Thursday 3rd September 2026

Expect broken clouds in 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 fresh breeze of 32 kph from the south-east.