Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 63°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Tuesday
23rd Dec
63

57

5

10
Wednesday
24th Dec
64

63

2

8
Thursday
25th Dec
64

64

5

11
Friday
26th Dec
66

64

2

10
Saturday
27th Dec
66

59

3

9

5-day weather forecast updated at 04:03 on Tuesday 23rd 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 23rd December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

63
°F maximum temperature
57
°F minimum temperature
broken clouds
5
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from NW

Tristan da Cunha weather for Wednesday 24th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the west.

64
°F maximum temperature
63
°F minimum temperature
broken clouds
2
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
64
°F wind chill
12
mph wind from W

Tristan da Cunha weather for Thursday 25th 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 moderate breeze of 14 mph from the north-west.

64
°F maximum temperature
64
°F minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from NW

Tristan da Cunha weather for Friday 26th 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 62% chance of some rain and a fresh breeze of 19 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)
62
% chance of some rain
<2
mm of rainfall expected
66
°F wind chill
19
mph wind from NW

Tristan da Cunha weather for Saturday 27th December 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 17 mph from the north-west.