Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 59°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Saturday
18th Oct
59

57

7

8
Sunday
19th Oct
59

59

4

7
Monday
20th Oct
61

59

2

7
Tuesday
21st Oct
59

50

3

3
Wednesday
22nd Oct
50

48

5

7

5-day weather forecast updated at 04:03 on Saturday 18th October 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 Saturday 18th October 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a fresh breeze of 19 mph from the north-west.

59
°F maximum temperature
57
°F minimum temperature
sunshine and showers
7
hours of sunshine
8
UV index (Very High)
15
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from NW

Tristan da Cunha weather for Sunday 19th October 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the north-west.

59
°F maximum temperature
59
°F minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
22
mph wind from NW

Tristan da Cunha weather for Monday 20th October 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 96% chance of some rain and a moderate gale of 33 mph from the north.

61
°F maximum temperature
59
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
7
UV index (High)
96
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
33
mph wind from N

Tristan da Cunha weather for Tuesday 21st October 2025

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 21 mph from the south-west.

59
°F maximum temperature
50
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
32
% chance of some rain
<5
mm of rainfall expected
59
°F wind chill
21
mph wind from SW

Tristan da Cunha weather for Wednesday 22nd October 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 50°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south.