Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 14°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
13th Aug
14

11

6

3
Friday
14th Aug
14

9

3

3
Saturday
15th Aug
9

8

5

3
Sunday
16th Aug
12

9

7

3
Monday
17th Aug
11

10

5

3

5-day weather forecast updated at 04:03 on Thursday 13th August 2026 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 Thursday 13th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a moderate gale of 58 kph from the north-west.

14
°C maximum temperature
11
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
58
kph wind from NW

Tristan da Cunha weather for Friday 14th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a fresh gale of 66 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
81
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
66
kph wind from W

Tristan da Cunha weather for Saturday 15th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 34 kph from the west.

9
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
73
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
34
kph wind from W

Tristan da Cunha weather for Sunday 16th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 27 kph from the west.

12
°C maximum temperature
9
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
56
% chance of some rain
<2
mm of rainfall expected
12
°C wind chill
27
kph wind from W

Tristan da Cunha weather for Monday 17th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 25 kph from the south-west.