Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 63°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Tuesday
17th Mar
63

61

3

6
Wednesday
18th Mar
63

61

3

6
Thursday
19th Mar
63

61

6

6
Friday
20th Mar
64

63

3

6
Saturday
21st Mar
66

64

4

7

5-day weather forecast updated at 04:03 on Tuesday 17th 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 Tuesday 17th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the east.

63
°F maximum temperature
61
°F minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
63
°F wind chill
15
mph wind from E

Tristan da Cunha weather for Wednesday 18th March 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 15 mph from the east.

63
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
14
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
mph wind from E

Tristan da Cunha weather for Thursday 19th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the east.

63
°F maximum temperature
61
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
mph wind from E

Tristan da Cunha weather for Friday 20th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north-east.

64
°F maximum temperature
63
°F minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
10
mph wind from NE

Tristan da Cunha weather for Saturday 21st March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north.