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.

Tuesday
20th Jan
66

64

11

11
Wednesday
21st Jan
66

64

10

11
Thursday
22nd Jan
66

64

9

10
Friday
23rd Jan
66

63

5

9

5-day weather forecast updated at 04:05 on Saturday 17th January 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 20th January 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 11+ (Extreme) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
scattered clouds
11
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from NW

Tristan da Cunha weather for Wednesday 21st January 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 11+ (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from NW

Tristan da Cunha weather for Thursday 22nd January 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 14 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
sunshine and showers
9
hours of sunshine
10
UV index (Very High)
39
% chance of some rain
<10
mm of rainfall expected
66
°F wind chill
14
mph wind from NW

Tristan da Cunha weather for Friday 23rd January 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the west.