Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 17°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Friday
1st May
17

16

3

3
Saturday
2nd May
16

15

7

3
Sunday
3rd May
17

15

5

4
Monday
4th May
18

17

2

2
Tuesday
5th May
17

15

5

4

5-day weather forecast updated at 04:03 on Friday 1st May 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 Friday 1st May 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a fresh breeze of 31 kph from the west.

17
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<5
mm of rainfall expected
17
°C wind chill
31
kph wind from W

Tristan da Cunha weather for Saturday 2nd May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 15% chance of some rain and a strong breeze of 46 kph from the south-west.

16
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
15
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
46
kph wind from SW

Tristan da Cunha weather for Sunday 3rd May 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the north.

17
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
39
kph wind from N

Tristan da Cunha weather for Monday 4th May 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a moderate gale of 61 kph from the north.