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.

Sunday
27th Sep
15

13

1

6
Monday
28th Sep
15

14

0

3
Tuesday
29th Sep
14

10

6

6
Wednesday
30th Sep
10

8

5

5
Thursday
1st Oct
9

8

5

4

5-day weather forecast updated at 04:03 on Saturday 26th September 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 27th September 2026

Expect cloudy with some rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a strong breeze of 43 kph from the north.

15
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
1
hour of sunshine
6
UV index (High)
98
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
43
kph wind from N

Tristan da Cunha weather for Monday 28th September 2026

Expect cloudy with some rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a strong breeze of 43 kph from the north.

15
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
97
% chance of some rain
<30
mm of rainfall expected
15
°C wind chill
43
kph wind from N

Tristan da Cunha weather for Tuesday 29th September 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 38 kph from the north-west.

14
°C maximum temperature
10
°C minimum temperature
sunshine and showers
6
hours of sunshine
6
UV index (High)
78
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
38
kph wind from NW

Tristan da Cunha weather for Wednesday 30th September 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a strong breeze of 39 kph from the south.

10
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
76
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
39
kph wind from S

Tristan da Cunha weather for Thursday 1st October 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 27 kph from the south-west.