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.

Friday
15th May
64

63

4

3
Saturday
16th May
63

59

1

2
Sunday
17th May
63

59

0

1
Monday
18th May
64

61

5

2
Tuesday
19th May
64

61

1

2

5-day weather forecast updated at 04:02 on Friday 15th 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 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 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 17 mph from the north-west.

64
°F maximum temperature
63
°F minimum temperature
sunshine and showers
4
hours of sunshine
3
UV index (Moderate)
27
% chance of some rain
<5
mm of rainfall expected
64
°F wind chill
17
mph wind from NW

Tristan da Cunha weather for Saturday 16th May 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 12 mph from the east.

63
°F maximum temperature
59
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
65
% chance of some rain
<10
mm of rainfall expected
63
°F wind chill
12
mph wind from E

Tristan da Cunha weather for Sunday 17th May 2026

Expect cloudy with some 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 20-30 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 17 mph from the north-east.

63
°F maximum temperature
59
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
81
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
17
mph wind from NE

Tristan da Cunha weather for Monday 18th May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 17 mph from the north-west.

64
°F maximum temperature
61
°F minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
32
% chance of some rain
<5
mm of rainfall expected
64
°F wind chill
17
mph wind from NW

Tristan da Cunha weather for Tuesday 19th May 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a strong breeze of 27 mph from the north.