Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 54°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Friday
5th Sep
54

50

2

4
Saturday
6th Sep
55

54

3

3
Sunday
7th Sep
57

55

2

5
Monday
8th Sep
57

50

6

4
Tuesday
9th Sep
52

52

5

4

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

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 54°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the west.

54
°F maximum temperature
50
°F minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
54
°F wind chill
12
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 55°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the north-west.

55
°F maximum temperature
54
°F minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
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 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a strong breeze of 27 mph from the north-west.

57
°F maximum temperature
55
°F minimum temperature
mostly cloudy with rain
2
hours of sunshine
5
UV index (Moderate)
91
% 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 57°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 17% chance of some rain and a fresh breeze of 22 mph from the south-west.

57
°F maximum temperature
50
°F minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
17
% chance of some rain
<5
mm of rainfall expected
57
°F wind chill
22
mph wind from SW

Tristan da Cunha weather for Tuesday 9th September 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 52°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.