Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 15°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
24th Sep
15

14

1

1
Friday
25th Sep
13

12

2

6
Saturday
26th Sep
14

13

1

6
Sunday
27th Sep
15

14

1

6
Monday
28th Sep
15

14

1

3

5-day weather forecast updated at 04:03 on Wednesday 23rd September 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 24th September 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 96% chance of some rain and a strong breeze of 40 kph from the north-west.

15
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
96
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
40
kph wind from NW

Tristan da Cunha weather for Friday 25th September 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 24 kph from the east.

13
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
22
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from E

Tristan da Cunha weather for Saturday 26th September 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 21 kph from the east.

14
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
40
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
21
kph wind from E

Tristan da Cunha weather for Sunday 27th September 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a strong breeze of 39 kph from the north.

15
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
69
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
39
kph wind from N

Tristan da Cunha weather for Monday 28th September 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a strong breeze of 48 kph from the north.