Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 12°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Tuesday
8th Sep
12

11

7

4
Wednesday
9th Sep
13

12

6

5
Thursday
10th Sep
13

12

7

5
Friday
11th Sep
12

12

7

5
Saturday
12th Sep
14

12

2

5

5-day weather forecast updated at 04:03 on Tuesday 8th September 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 Tuesday 8th September 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a fresh breeze of 38 kph from the west.

12
°C maximum temperature
11
°C minimum temperature
sunshine and showers
7
hours of sunshine
4
UV index (Moderate)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
38
kph wind from W

Tristan da Cunha weather for Wednesday 9th September 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a fresh breeze of 29 kph from the west.

13
°C maximum temperature
12
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
43
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from W

Tristan da Cunha weather for Thursday 10th September 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

13
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
15
kph wind from W

Tristan da Cunha weather for Friday 11th September 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

12
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from NW

Tristan da Cunha weather for Saturday 12th September 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 41 kph from the north-west.