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.

Friday
12th Dec
63

59

3

7
Saturday
13th Dec
66

64

4

10
Sunday
14th Dec
66

61

2

9
Monday
15th Dec
61

57

3

9
Tuesday
16th Dec
59

55

5

11

5-day weather forecast updated at 04:05 on Friday 12th 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 12th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 24 mph from the north-west.

63
°F maximum temperature
59
°F minimum temperature
broken clouds
3
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
24
mph wind from NW

Tristan da Cunha weather for Saturday 13th 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 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a strong breeze of 30 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
10
UV index (Very High)
64
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
30
mph wind from NW

Tristan da Cunha weather for Sunday 14th 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 9 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a strong breeze of 29 mph from the north-west.

66
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
9
UV index (Very High)
69
% chance of some rain
<2
mm of rainfall expected
66
°F wind chill
29
mph wind from NW

Tristan da Cunha weather for Monday 15th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 24 mph from the south.

61
°F maximum temperature
57
°F minimum temperature
broken clouds
3
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
61
°F wind chill
24
mph wind from S

Tristan da Cunha weather for Tuesday 16th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-east.