Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 64°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Thursday
14th May
64

63

6

3
Friday
15th May
64

63

5

3
Saturday
16th May
63

57

0

1
Sunday
17th May
59

57

3

1
Monday
18th May
63

59

4

2

5-day weather forecast updated at 04:02 on Thursday 14th May 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 Thursday 14th May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 18 mph from the north-west.

64
°F maximum temperature
63
°F minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
64
°F wind chill
18
mph wind from NW

Tristan da Cunha weather for Friday 15th May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 48% chance of some rain and a fresh breeze of 18 mph from the north-west.

64
°F maximum temperature
63
°F minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
48
% chance of some rain
<10
mm of rainfall expected
64
°F wind chill
18
mph wind from NW

Tristan da Cunha weather for Saturday 16th May 2026

Expect overcast with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 16 mph from the east.

63
°F maximum temperature
57
°F minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
70
% chance of some rain
<20
mm of rainfall expected
63
°F wind chill
16
mph wind from E

Tristan da Cunha weather for Sunday 17th May 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 14 mph from the north-east.

59
°F maximum temperature
57
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
55
% chance of some rain
<10
mm of rainfall expected
59
°F wind chill
14
mph wind from NE

Tristan da Cunha weather for Monday 18th May 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 16 mph from the north-west.