Tristan da Cunha weather live forecast

Tomorrow's maximum temperature in Tristan da Cunha is expected to be 15°C.

Thursday
15th May

15

12

1
Friday
16th May

12

11

3
Saturday
17th May

14

12

5
Sunday
18th May

16

12

5
Monday
19th May

16

15

4

5-day weather forecast updated at 04:02 on Thursday 15th May 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 15th May 2025

Expect cloudy with some rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 97% chance of some rain and a strong breeze of 51 kph from the south-east.

15
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
1
hour of sunshine
2
UV index (Low)
97
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
51
kph wind from SE

Tristan da Cunha weather for Friday 16th May 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 42 kph from the south.

12
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
42
kph wind from S

Tristan da Cunha weather for Saturday 17th May 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 19 kph from the south-west.

14
°C maximum temperature
12
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
42
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Tristan da Cunha weather for Sunday 18th May 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 2 (Low) 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 27 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
40
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Tristan da Cunha weather for Monday 19th May 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.