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.

Sunday
30th Nov
18

16

2

9
Monday
1st Dec
18

16

0

4
Tuesday
2nd Dec
18

15

2

9
Wednesday
3rd Dec
15

14

6

7
Thursday
4th Dec
15

14

3

11

5-day weather forecast updated at 04:03 on Sunday 30th 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 Sunday 30th November 2025

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a strong breeze of 42 kph from the north-west.

18
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
20
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
42
kph wind from NW

Tristan da Cunha weather for Monday 1st December 2025

Expect overcast with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 37 kph from the north.

18
°C maximum temperature
16
°C minimum temperature
overcast with light rain
0
hours of sunshine
4
UV index (Moderate)
99
% chance of some rain
<30
mm of rainfall expected
18
°C wind chill
37
kph wind from N

Tristan da Cunha weather for Tuesday 2nd December 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 18% chance of some rain and a fresh breeze of 30 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
9
UV index (Very High)
18
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
30
kph wind from W

Tristan da Cunha weather for Wednesday 3rd December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

15
°C maximum temperature
14
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

Tristan da Cunha weather for Thursday 4th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.