Tristan da Cunha weather live forecast

Tomorrow's maximum temperature in Tristan da Cunha is expected to be 21°C.

Monday
17th Mar

21

20

1
Tuesday
18th Mar

20

14

1
Wednesday
19th Mar

14

13

3
Thursday
20th Mar

15

13

6
Friday
21st Mar

15

13

5

5-day weather forecast updated at 04:02 on Monday 17th March 2025 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 Monday 17th March 2025

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a strong breeze of 44 kph from the north-west.

21
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
99
% chance of some rain
<30
mm of rainfall expected
21
°C wind chill
44
kph wind from NW

Tristan da Cunha weather for Tuesday 18th March 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the south-east.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
43
kph wind from SE

Tristan da Cunha weather for Wednesday 19th March 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-east.

14
°C maximum temperature
13
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
31
kph wind from SE

Tristan da Cunha weather for Thursday 20th March 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

15
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
26
kph wind from SE

Tristan da Cunha weather for Friday 21st March 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.