Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 18°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Monday
20th Apr
18

17

2

2
Tuesday
21st Apr
19

18

1

2
Wednesday
22nd Apr
18

16

6

4
Thursday
23rd Apr
16

13

5

4
Friday
24th Apr
13

12

4

4

5-day weather forecast updated at 04:02 on Monday 20th April 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 Monday 20th April 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 29 kph from the north.

18
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
29
kph wind from N

Tristan da Cunha weather for Tuesday 21st April 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a fresh breeze of 38 kph from the north-west.

19
°C maximum temperature
18
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
98
% chance of some rain
<20
mm of rainfall expected
19
°C wind chill
38
kph wind from NW

Tristan da Cunha weather for Wednesday 22nd April 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 22 kph from the north-west.

18
°C maximum temperature
16
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
71
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from NW

Tristan da Cunha weather for Thursday 23rd April 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 23 kph from the south-west.

16
°C maximum temperature
13
°C minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
23
kph wind from SW

Tristan da Cunha weather for Friday 24th April 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south.