Tristan da Cunha weather live forecast

Tomorrow's maximum temperature in Tristan da Cunha is expected to be 18°C.

Thursday
17th Apr

18

15

2
Friday
18th Apr

15

14

1
Saturday
19th Apr

18

15

3
Sunday
20th Apr

18

17

2
Monday
21st Apr

17

16

3

5-day weather forecast updated at 04:02 on Thursday 17th April 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 17th April 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 24 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
9
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

Tristan da Cunha weather for Friday 18th April 2025

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 54% chance of some rain and a fresh breeze of 29 kph from the east.

15
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
54
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from E

Tristan da Cunha weather for Saturday 19th April 2025

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 36 kph from the north-east.

18
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
1
UV index (Low)
77
% chance of some rain
<30
mm of rainfall expected
18
°C wind chill
36
kph wind from NE

Tristan da Cunha weather for Sunday 20th April 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

18
°C maximum temperature
17
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from W

Tristan da Cunha weather for Monday 21st April 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-east.