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.

Saturday
5th Sep
15

14

1

4
Sunday
6th Sep
15

13

2

2
Monday
7th Sep
15

11

3

3
Tuesday
8th Sep
12

10

8

4
Wednesday
9th Sep
13

12

7

5

5-day weather forecast updated at 04:02 on Saturday 5th 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 Saturday 5th 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 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a fresh breeze of 37 kph from the north.

15
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
29
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
37
kph wind from N

Tristan da Cunha weather for Sunday 6th September 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a strong breeze of 41 kph from the north-west.

15
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
41
kph wind from NW

Tristan da Cunha weather for Monday 7th 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 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a strong breeze of 39 kph from the west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
88
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
39
kph wind from W

Tristan da Cunha weather for Tuesday 8th September 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

12
°C maximum temperature
10
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
36
kph wind from W

Tristan da Cunha weather for Wednesday 9th September 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.