British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 82°F. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

Sunday
21st Dec
82

77

5

11
Monday
22nd Dec
82

79

4

11
Tuesday
23rd Dec
84

77

4

11
Wednesday
24th Dec
84

79

7

11
Thursday
25th Dec
84

79

6

11

5-day weather forecast updated at 04:03 on Saturday 20th December 2025 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 Sunday 21st December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a light breeze of 6 mph from the south-east.

82
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
70
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
6
mph wind from SE

British Indian Ocean Territory weather for Monday 22nd December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 82°F, 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 78% chance of some rain and a light breeze of 6 mph from the east.

82
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
78
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from E

British Indian Ocean Territory weather for Tuesday 23rd December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 84°F, 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 69% chance of some rain and a light breeze of 5 mph from the west.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
69
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
5
mph wind from W

British Indian Ocean Territory weather for Wednesday 24th December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a light breeze of 5 mph from the south-west.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
62
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
5
mph wind from SW

British Indian Ocean Territory weather for Thursday 25th December 2025

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a light breeze of 5 mph from the south-west.