Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 10°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
15th Oct
10

7

5

7
Friday
16th Oct
9

7

3

6
Saturday
17th Oct
11

10

8

6
Sunday
18th Oct
14

11

2

2
Monday
19th Oct
16

13

2

4

5-day weather forecast updated at 04:02 on Wednesday 14th October 2026 GMT

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The 5-day weather forecast for St Helena & Islands (Tristan da Cunha) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Tristan da Cunha weather forecast by day

Below are the detailed weather forecasts for Tristan da Cunha for the next 5 days.

Tristan da Cunha weather for Thursday 15th October 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 10°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the south-west.

10
°C maximum temperature
7
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
6
°C wind chill
39
kph wind from SW

Tristan da Cunha weather for Friday 16th October 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 9°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

9
°C maximum temperature
7
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
6
°C wind chill
27
kph wind from SW

Tristan da Cunha weather for Saturday 17th October 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 11°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

11
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
11
°C wind chill
21
kph wind from W

Tristan da Cunha weather for Sunday 18th October 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a strong breeze of 47 kph from the north.

14
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
47
kph wind from N

Tristan da Cunha weather for Monday 19th October 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a strong breeze of 44 kph from the north-west.