Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 54°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Sunday
18th Oct
54

52

2

5
Monday
19th Oct
59

55

0

4
Tuesday
20th Oct
57

55

3

8
Wednesday
21st Oct
57

57

6

6
Thursday
22nd Oct
57

54

3

8

5-day weather forecast updated at 04:02 on Sunday 18th October 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 Sunday 18th October 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 21 mph from the north.

54
°F maximum temperature
52
°F minimum temperature
mostly cloudy with rain
2
hours of sunshine
5
UV index (Moderate)
97
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Tristan da Cunha weather for Monday 19th October 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 21 mph from the north.

59
°F maximum temperature
55
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
4
UV index (Moderate)
32
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
mph wind from N

Tristan da Cunha weather for Tuesday 20th October 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 12 mph from the north.

57
°F maximum temperature
55
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
39
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
mph wind from N

Tristan da Cunha weather for Wednesday 21st October 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a fresh breeze of 19 mph from the north-west.

57
°F maximum temperature
57
°F minimum temperature
sunshine and showers
6
hours of sunshine
6
UV index (High)
55
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from NW

Tristan da Cunha weather for Thursday 22nd October 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a strong breeze of 27 mph from the north-west.