Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 70°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Wednesday
4th Mar
70

68

1

7
Thursday
5th Mar
70

63

1

5
Friday
6th Mar
64

61

3

6
Saturday
7th Mar
68

64

7

9
Sunday
8th Mar
70

68

6

9

5-day weather forecast updated at 04:02 on Wednesday 4th March 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 Wednesday 4th March 2026

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 70°F, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 15 mph from the north-west.

70
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
7
UV index (High)
69
% chance of some rain
<10
mm of rainfall expected
70
°F wind chill
15
mph wind from NW

Tristan da Cunha weather for Thursday 5th March 2026

Expect isolated thunderstorms in Tristan da Cunha, St Helena & Islands with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 16 mph from the south.

70
°F maximum temperature
63
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
43
% chance of some rain
<10
mm of rainfall expected
70
°F wind chill
16
mph wind from S

Tristan da Cunha weather for Friday 6th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-east.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from SE

Tristan da Cunha weather for Saturday 7th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 68°F, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the north.

68
°F maximum temperature
64
°F minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
68
°F wind chill
15
mph wind from N

Tristan da Cunha weather for Sunday 8th March 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 70°F, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a fresh breeze of 19 mph from the north-west.