Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 19°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Wednesday
25th Mar
19

17

2

4
Thursday
26th Mar
20

19

1

7
Friday
27th Mar
20

18

5

7
Saturday
28th Mar
18

16

1

5
Sunday
29th Mar
16

15

7

5

5-day weather forecast updated at 04:03 on Wednesday 25th 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 Wednesday 25th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west.

19
°C maximum temperature
17
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from W

Tristan da Cunha weather for Thursday 26th March 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 21 kph from the north-west.

20
°C maximum temperature
19
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
7
UV index (High)
67
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
21
kph wind from NW

Tristan da Cunha weather for Friday 27th March 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 19 kph from the west.

20
°C maximum temperature
18
°C minimum temperature
sunshine and showers
5
hours of sunshine
7
UV index (High)
43
% chance of some rain
<5
mm of rainfall expected
20
°C wind chill
19
kph wind from W

Tristan da Cunha weather for Saturday 28th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

18
°C maximum temperature
16
°C minimum temperature
broken clouds
1
hour of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
24
kph wind from SE

Tristan da Cunha weather for Sunday 29th March 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.