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.

Sunday
20th Sep
12

12

5

5
Monday
21st Sep
12

11

5

5
Tuesday
22nd Sep
13

12

4

6
Wednesday
23rd Sep
14

13

4

7
Thursday
24th Sep
15

13

2

4

5-day weather forecast updated at 04:03 on Sunday 20th September 2026 GMT

More about Tristan da Cunha

Tristan da Cunha by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Helena & Islands

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 Sunday 20th September 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 20 kph from the east.

12
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
54
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
20
kph wind from E

Tristan da Cunha weather for Monday 21st September 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a fresh breeze of 30 kph from the south-west.

12
°C maximum temperature
11
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
6
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
30
kph wind from SW

Tristan da Cunha weather for Tuesday 22nd September 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

13
°C maximum temperature
12
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
13
°C wind chill
23
kph wind from W

Tristan da Cunha weather for Wednesday 23rd September 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north-west.

14
°C maximum temperature
13
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
36
kph wind from NW

Tristan da Cunha weather for Thursday 24th September 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a fresh breeze of 38 kph from the north-west.