Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 18°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Saturday
22nd Nov
18

14

5

11
Sunday
23rd Nov
18

17

5

9
Monday
24th Nov
17

15

1

2
Tuesday
25th Nov
14

13

3

8
Wednesday
26th Nov
16

13

6

11

5-day weather forecast updated at 04:03 on Friday 21st November 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 Saturday 22nd November 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 28 kph from the north-west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
11
UV index (Extreme)
40
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
28
kph wind from NW

Tristan da Cunha weather for Sunday 23rd November 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 33 kph from the north-west.

18
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
33
kph wind from NW

Tristan da Cunha weather for Monday 24th November 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 32 kph from the north-west.

17
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
85
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
32
kph wind from NW

Tristan da Cunha weather for Tuesday 25th November 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 26 kph from the south-east.

14
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
33
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
26
kph wind from SE

Tristan da Cunha weather for Wednesday 26th November 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.