Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 57°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Friday
21st Aug
57

55

3

4
Saturday
22nd Aug
59

57

5

4
Sunday
23rd Aug
61

59

0

1
Monday
24th Aug
59

57

3

2
Tuesday
25th Aug
59

57

5

4

5-day weather forecast updated at 04:03 on Friday 21st 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 Friday 21st August 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the west.

57
°F maximum temperature
55
°F minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
57
°F wind chill
20
mph wind from W

Tristan da Cunha weather for Saturday 22nd August 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 28 mph from the north-west.

59
°F maximum temperature
57
°F minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
28
mph wind from NW

Tristan da Cunha weather for Sunday 23rd August 2026

Expect cloudy with some rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a strong breeze of 27 mph from the north-west.

61
°F maximum temperature
59
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
90
% chance of some rain
<20
mm of rainfall expected
61
°F wind chill
27
mph wind from NW

Tristan da Cunha weather for Monday 24th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a fresh breeze of 19 mph from the north-west.

59
°F maximum temperature
57
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
71
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
19
mph wind from NW

Tristan da Cunha weather for Tuesday 25th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 20 mph from the north-west.