Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 64°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Sunday
7th Dec
64

59

3

11
Monday
8th Dec
63

59

4

11
Tuesday
9th Dec
63

59

7

11
Wednesday
10th Dec
59

55

8

10
Thursday
11th Dec
59

55

6

11

5-day weather forecast updated at 04:04 on Sunday 7th December 2025 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 Sunday 7th December 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a fresh breeze of 19 mph from the west.

64
°F maximum temperature
59
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
11
UV index (Extreme)
2
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from W

Tristan da Cunha weather for Monday 8th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-west.

63
°F maximum temperature
59
°F minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
63
°F wind chill
14
mph wind from NW

Tristan da Cunha weather for Tuesday 9th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north-west.

63
°F maximum temperature
59
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
18
mph wind from NW

Tristan da Cunha weather for Wednesday 10th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

59
°F maximum temperature
55
°F minimum temperature
broken clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
59
°F wind chill
19
mph wind from SW

Tristan da Cunha weather for Thursday 11th December 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 21 mph from the south-west.