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.

Monday
29th Dec
64

61

6

9
Tuesday
30th Dec
66

64

4

5
Wednesday
31st Dec
64

61

8

11
Thursday
1st Jan
66

63

10

10
Friday
2nd Jan
66

66

3

11

5-day weather forecast updated at 04:04 on Saturday 27th 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 Monday 29th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
mph wind from N

Tristan da Cunha weather for Tuesday 30th 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 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and a strong breeze of 25 mph from the north.

66
°F maximum temperature
64
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
80
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
25
mph wind from N

Tristan da Cunha weather for Wednesday 31st 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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the west.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
64
°F wind chill
13
mph wind from W

Tristan da Cunha weather for Thursday 1st January 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north-west.

66
°F maximum temperature
63
°F minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
66
°F wind chill
19
mph wind from NW

Tristan da Cunha weather for Friday 2nd January 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 21 mph from the north-west.