Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 20°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Sunday
8th Mar
20

20

7

9
Monday
9th Mar
21

20

6

9
Tuesday
10th Mar
21

18

5

8
Wednesday
11th Mar
17

15

8

9
Thursday
12th Mar
16

15

6

9

5-day weather forecast updated at 04:02 on Sunday 8th March 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 Sunday 8th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-west.

20
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
29
kph wind from NW

Tristan da Cunha weather for Monday 9th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 47 kph from the north.

21
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
21
°C wind chill
47
kph wind from N

Tristan da Cunha weather for Tuesday 10th March 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 30-40 mm of rainfall expected with 96% chance of some rain and a strong breeze of 51 kph from the west.

21
°C maximum temperature
18
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
8
UV index (Very High)
96
% chance of some rain
<40
mm of rainfall expected
21
°C wind chill
51
kph wind from W

Tristan da Cunha weather for Wednesday 11th March 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

17
°C maximum temperature
15
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from SW

Tristan da Cunha weather for Thursday 12th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.