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
12th Apr
18

15

5

5
Monday
13th Apr
15

14

2

2
Tuesday
14th Apr
14

13

2

4
Wednesday
15th Apr
16

14

3

5
Thursday
16th Apr
16

15

5

5

5-day weather forecast updated at 04:03 on Sunday 12th April 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 12th April 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a strong breeze of 47 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
80
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
47
kph wind from W

Tristan da Cunha weather for Monday 13th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 50 kph from the south-west.

15
°C maximum temperature
14
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
50
kph wind from SW

Tristan da Cunha weather for Tuesday 14th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.

14
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
29
kph wind from S

Tristan da Cunha weather for Wednesday 15th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

16
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
14
kph wind from SW

Tristan da Cunha weather for Thursday 16th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.