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.

Monday
23rd Mar
19

17

3

7
Tuesday
24th Mar
17

15

3

7
Wednesday
25th Mar
19

17

5

5
Thursday
26th Mar
18

16

3

4
Friday
27th Mar
19

16

1

7

5-day weather forecast updated at 04:03 on Monday 23rd March 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 23rd March 2026

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 8% chance of some rain and a moderate breeze of 28 kph from the south-east.

19
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
8
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
28
kph wind from SE

Tristan da Cunha weather for Tuesday 24th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

17
°C maximum temperature
15
°C minimum temperature
broken clouds
3
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
17
°C wind chill
21
kph wind from S

Tristan da Cunha weather for Wednesday 25th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

19
°C maximum temperature
17
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
29
kph wind from W

Tristan da Cunha weather for Thursday 26th March 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 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 23 kph from the south-west.

18
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
24
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Tristan da Cunha weather for Friday 27th March 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 22 kph from the north-west.