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.

Saturday
28th Mar
18

15

3

6
Sunday
29th Mar
15

14

4

4
Monday
30th Mar
17

15

4

5
Tuesday
31st Mar
18

15

3

5
Wednesday
1st Apr
18

16

8

6

5-day weather forecast updated at 04:03 on Friday 27th 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 Saturday 28th March 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a fresh breeze of 34 kph from the south.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
29
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
34
kph wind from S

Tristan da Cunha weather for Sunday 29th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

15
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
20
kph wind from SE

Tristan da Cunha weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 87% chance of some rain and a strong breeze of 41 kph from the south-west.

17
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
87
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
41
kph wind from SW

Tristan da Cunha weather for Tuesday 31st March 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 29 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
29
kph wind from W

Tristan da Cunha weather for Wednesday 1st April 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 28 kph from the west.