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.

Saturday
21st Mar
19

19

1

5
Sunday
22nd Mar
19

18

0

6
Monday
23rd Mar
19

18

5

7
Tuesday
24th Mar
18

17

4

7
Wednesday
25th Mar
19

17

3

6

5-day weather forecast updated at 04:03 on Saturday 21st 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 Saturday 21st 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 5 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 14 kph from the north-east.

19
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
5
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Tristan da Cunha weather for Sunday 22nd March 2026

Expect cloudy with some rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 32 kph from the north-east.

19
°C maximum temperature
18
°C minimum temperature
cloudy with some rain
0
hours of sunshine
6
UV index (High)
84
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
32
kph wind from NE

Tristan da Cunha weather for Monday 23rd March 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 19 kph from the south-east.

19
°C maximum temperature
18
°C minimum temperature
sunshine and showers
5
hours of sunshine
7
UV index (High)
48
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
19
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 18°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

18
°C maximum temperature
17
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
21
kph wind from SE

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 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.