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.

Tuesday
2nd Dec
64

59

5

8
Wednesday
3rd Dec
59

59

6

9
Thursday
4th Dec
61

59

7

10
Friday
5th Dec
66

61

1

7
Saturday
6th Dec
64

63

2

6

5-day weather forecast updated at 04:03 on Tuesday 2nd 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 Tuesday 2nd December 2025

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 5% chance of some rain and a fresh breeze of 23 mph from the south-west.

64
°F maximum temperature
59
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
5
% chance of some rain
<10
mm of rainfall expected
64
°F wind chill
23
mph wind from SW

Tristan da Cunha weather for Wednesday 3rd December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

59
°F maximum temperature
59
°F minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from W

Tristan da Cunha weather for Thursday 4th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

61
°F maximum temperature
59
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Tristan da Cunha weather for Friday 5th December 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 22 mph from the north-east.

66
°F maximum temperature
61
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
7
UV index (High)
84
% chance of some rain
<20
mm of rainfall expected
66
°F wind chill
22
mph wind from NE

Tristan da Cunha weather for Saturday 6th December 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a fresh breeze of 22 mph from the north-west.