Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 66°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Friday
20th Mar
66

63

5

6
Saturday
21st Mar
66

66

1

3
Sunday
22nd Mar
66

66

0

3
Monday
23rd Mar
66

63

2

6
Tuesday
24th Mar
63

63

3

7

5-day weather forecast updated at 04:03 on Friday 20th 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 Friday 20th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the north-east.

66
°F maximum temperature
63
°F minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
66
°F wind chill
13
mph wind from NE

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 66°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 10 mph from the north-east.

66
°F maximum temperature
66
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
10
mph 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 66°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 18 mph from the north-east.

66
°F maximum temperature
66
°F minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
92
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
18
mph wind from NE

Tristan da Cunha weather for Monday 23rd March 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 15 mph from the east.

66
°F maximum temperature
63
°F minimum temperature
mostly cloudy with rain
2
hours of sunshine
6
UV index (High)
34
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
mph wind from E

Tristan da Cunha weather for Tuesday 24th March 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 11 mph from the north-east.