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.

Monday
27th Apr
17

15

4

3
Tuesday
28th Apr
18

17

1

4
Wednesday
29th Apr
19

17

2

3
Thursday
30th Apr
18

17

6

4
Friday
1st May
17

16

6

3

5-day weather forecast updated at 04:02 on Monday 27th 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 Monday 27th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north.

17
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
35
kph wind from N

Tristan da Cunha weather for Tuesday 28th April 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a strong breeze of 39 kph from the north.

18
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
39
kph wind from N

Tristan da Cunha weather for Wednesday 29th April 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a strong breeze of 45 kph from the north-west.

19
°C maximum temperature
17
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
95
% chance of some rain
<20
mm of rainfall expected
19
°C wind chill
45
kph wind from NW

Tristan da Cunha weather for Thursday 30th April 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 26 kph from the west.

18
°C maximum temperature
17
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
30
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
26
kph wind from W

Tristan da Cunha weather for Friday 1st May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 27 kph from the west.