Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 15°C. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Tuesday
28th Jul
15

12

3

1
Wednesday
29th Jul
12

12

3

2
Thursday
30th Jul
15

13

1

2
Friday
31st Jul
15

15

0

2
Saturday
1st Aug
15

11

5

2

5-day weather forecast updated at 04:02 on Sunday 26th July 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 28th July 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 38 kph from the north-west.

15
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
82
% chance of some rain
<10
mm of rainfall expected
15
°C wind chill
38
kph wind from NW

Tristan da Cunha weather for Wednesday 29th July 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 12°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

12
°C maximum temperature
12
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Tristan da Cunha weather for Thursday 30th July 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 32 kph from the north-west.

15
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
34
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
32
kph wind from NW

Tristan da Cunha weather for Friday 31st July 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a strong breeze of 49 kph from the north-west.

15
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
80
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
49
kph wind from NW

Tristan da Cunha weather for Saturday 1st August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a strong breeze of 41 kph from the south-west.