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.

Monday
25th May
15

15

7

UV2
Tuesday
26th May
15

14

6

UV2
Wednesday
27th May
14

13

2

UV1
Thursday
28th May
16

14

3

UV2
Friday
29th May
17

14

2

UV2

5-day weather forecast updated at 04:02 on Monday 25th 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 Monday 25th May 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the west.

15
°C maximum temperature
15
°C minimum temperature
broken clouds
7
hours of sunshine
UV2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
38
kph wind from W

Tristan da Cunha weather for Tuesday 26th May 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a strong breeze of 41 kph from the west.

15
°C maximum temperature
14
°C minimum temperature
sunshine and showers
6
hours of sunshine
UV2
UV index (Low)
71
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
41
kph wind from W

Tristan da Cunha weather for Wednesday 27th May 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 14°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 21 kph from the south-west.

14
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV1
UV index (Low)
32
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
21
kph wind from SW

Tristan da Cunha weather for Thursday 28th May 2026

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 16°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 26 kph from the north.

16
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
UV2
UV index (Low)
62
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
26
kph wind from N

Tristan da Cunha weather for Friday 29th May 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 17°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a strong breeze of 48 kph from the north-west.