Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 55°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Monday
6th Oct
55

55

3

5
Tuesday
7th Oct
57

55

4

6
Wednesday
8th Oct
59

57

6

8
Thursday
9th Oct
59

52

0

8
Friday
10th Oct
54

52

4

7

5-day weather forecast updated at 04:03 on Sunday 5th October 2025 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 Monday 6th October 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 55°F, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

55
°F maximum temperature
55
°F minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from W

Tristan da Cunha weather for Tuesday 7th October 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 57°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-west.

57
°F maximum temperature
55
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
57
°F wind chill
17
mph wind from NW

Tristan da Cunha weather for Wednesday 8th October 2025

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a fresh breeze of 22 mph from the north-west.

59
°F maximum temperature
57
°F minimum temperature
sunshine and showers
6
hours of sunshine
8
UV index (Very High)
56
% chance of some rain
<2
mm of rainfall expected
59
°F wind chill
22
mph wind from NW

Tristan da Cunha weather for Thursday 9th October 2025

Expect overcast with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 61% chance of some rain and a fresh breeze of 21 mph from the south.

59
°F maximum temperature
52
°F minimum temperature
overcast with light rain
0
hours of sunshine
8
UV index (Very High)
61
% chance of some rain
<30
mm of rainfall expected
59
°F wind chill
21
mph wind from S

Tristan da Cunha weather for Friday 10th October 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 54°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south.