Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 18°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
19th Feb
18

15

5

8
Friday
20th Feb
18

17

8

10
Saturday
21st Feb
20

18

4

10
Sunday
22nd Feb
21

20

3

4
Monday
23rd Feb
21

17

6

10

5-day weather forecast updated at 04:04 on Thursday 19th February 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 19th February 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the south.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
18
°C wind chill
40
kph wind from S

Tristan da Cunha weather for Friday 20th February 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

18
°C maximum temperature
17
°C minimum temperature
broken clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
18
°C wind chill
21
kph wind from E

Tristan da Cunha weather for Saturday 21st February 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 24 kph from the north-west.

20
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
10
UV index (Very High)
61
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
24
kph wind from NW

Tristan da Cunha weather for Sunday 22nd February 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 35 kph from the north-west.

21
°C maximum temperature
20
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
72
% chance of some rain
<10
mm of rainfall expected
21
°C wind chill
35
kph wind from NW

Tristan da Cunha weather for Monday 23rd February 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 38 kph from the north-west.