British Indian Ocean Territory weather live forecast

Today's maximum temperature in the British Indian Ocean Territory is expected to be 84°F. Select a day from the live weather forecast for the British Indian Ocean Territory (Diego Garcia) for more weather parameters.

Tuesday
12th May
84

81

6

10
Wednesday
13th May
84

79

6

10
Thursday
14th May
86

81

7

10
Friday
15th May
86

81

6

11
Saturday
16th May
86

81

6

11

5-day weather forecast updated at 04:02 on Monday 11th May 2026 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 Tuesday 12th May 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 15 mph from the south.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
74
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from S

British Indian Ocean Territory weather for Wednesday 13th May 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 15 mph from the south.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
77
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from S

British Indian Ocean Territory weather for Thursday 14th May 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 14 mph from the south.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
31
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from S

British Indian Ocean Territory weather for Friday 15th May 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 86°F, 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 23% chance of some rain and a gentle breeze of 11 mph from the south.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
23
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from S

British Indian Ocean Territory weather for Saturday 16th May 2026

Expect isolated thunderstorms in British Indian Ocean Territory with a maximum temperature of 86°F, 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 20% chance of some rain and a light breeze of 7 mph from the south.