Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 20°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Sunday
15th Feb
20

17

1

3
Monday
16th Feb
17

16

5

7
Tuesday
17th Feb
18

16

4

7
Wednesday
18th Feb
17

15

7

9
Thursday
19th Feb
16

15

4

8

5-day weather forecast updated at 04:05 on Saturday 14th February 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 Sunday 15th February 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 25 kph from the south.

20
°C maximum temperature
17
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
85
% chance of some rain
<20
mm of rainfall expected
20
°C wind chill
25
kph wind from S

Tristan da Cunha weather for Monday 16th February 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

17
°C maximum temperature
16
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
17
°C wind chill
17
kph wind from SE

Tristan da Cunha weather for Tuesday 17th February 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

18
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
14
kph wind from NE

Tristan da Cunha weather for Wednesday 18th February 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a fresh breeze of 29 kph from the south.

17
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
9
UV index (Very High)
41
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
29
kph wind from S

Tristan da Cunha weather for Thursday 19th February 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south.