Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 10°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Saturday
15th Aug
10

8

5

3
Sunday
16th Aug
11

9

7

3
Monday
17th Aug
12

11

2

2
Tuesday
18th Aug
13

12

5

3
Wednesday
19th Aug
14

12

4

1

5-day weather forecast updated at 04:03 on Saturday 15th August 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 Saturday 15th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 31 kph from the west.

10
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
97
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
31
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 11°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a fresh breeze of 31 kph from the west.

11
°C maximum temperature
9
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
51
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Tristan da Cunha weather for Monday 17th August 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 24 kph from the west.

12
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
45
% chance of some rain
<2
mm of rainfall expected
12
°C wind chill
24
kph wind from W

Tristan da Cunha weather for Tuesday 18th August 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 41 kph from the west.

13
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
41
kph wind from W

Tristan da Cunha weather for Wednesday 19th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate gale of 53 kph from the north-west.