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
5th Dec
66

61

1

8
Saturday
6th Dec
66

64

2

10
Sunday
7th Dec
64

61

5

11
Monday
8th Dec
61

59

10

11
Tuesday
9th Dec
64

61

5

11

5-day weather forecast updated at 04:03 on Friday 5th 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 Friday 5th December 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a fresh breeze of 19 mph from the north-east.

66
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
8
UV index (Very High)
51
% chance of some rain
<5
mm of rainfall expected
66
°F wind chill
19
mph wind from NE

Tristan da Cunha weather for Saturday 6th December 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 10 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 23 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
10
UV index (Very High)
44
% chance of some rain
<2
mm of rainfall expected
66
°F wind chill
23
mph wind from NW

Tristan da Cunha weather for Sunday 7th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the west.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
20
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 61°F, maximum UV of 11 (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-west.

61
°F maximum temperature
59
°F minimum temperature
broken clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
16
mph wind from SW

Tristan da Cunha weather for Tuesday 9th 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 22 mph from the north-west.