Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 50°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
4th Sep
50

50

2

2
Friday
5th Sep
54

50

2

3
Saturday
6th Sep
57

54

3

4
Sunday
7th Sep
57

54

4

2
Monday
8th Sep
54

52

7

5

5-day weather forecast updated at 04:04 on Thursday 4th September 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 Thursday 4th September 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 50°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south.

50
°F maximum temperature
50
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from S

Tristan da Cunha weather for Friday 5th September 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the west.

54
°F maximum temperature
50
°F minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
54
°F wind chill
13
mph wind from W

Tristan da Cunha weather for Saturday 6th September 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 24 mph from the north-west.

57
°F maximum temperature
54
°F minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
57
°F wind chill
24
mph wind from NW

Tristan da Cunha weather for Sunday 7th September 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a strong breeze of 27 mph from the north-west.

57
°F maximum temperature
54
°F minimum temperature
mostly cloudy with rain
4
hours of sunshine
2
UV index (Low)
94
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
27
mph wind from NW

Tristan da Cunha weather for Monday 8th September 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 13 mph from the south-west.