Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 19°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Wednesday
7th Jan
19

17

7

11
Thursday
8th Jan
18

17

9

10
Friday
9th Jan
19

18

7

11
Saturday
10th Jan
18

16

0

11
Sunday
11th Jan
17

16

9

11

5-day weather forecast updated at 04:03 on Wednesday 7th January 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 Wednesday 7th January 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

19
°C maximum temperature
17
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
19
°C wind chill
35
kph wind from SW

Tristan da Cunha weather for Thursday 8th January 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

18
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Tristan da Cunha weather for Friday 9th January 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 24 kph from the north-west.

19
°C maximum temperature
18
°C minimum temperature
sunshine and showers
7
hours of sunshine
11
UV index (Extreme)
51
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from NW

Tristan da Cunha weather for Saturday 10th January 2026

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 no hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 18 kph from the west.

18
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
11
UV index (Extreme)
38
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Tristan da Cunha weather for Sunday 11th January 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west.