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.

Monday
9th Mar
70

68

5

9
Tuesday
10th Mar
70

64

3

6
Wednesday
11th Mar
64

61

8

9
Thursday
12th Mar
61

59

8

8
Friday
13th Mar
61

59

5

7

5-day weather forecast updated at 04:03 on Monday 9th 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 Monday 9th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 70°F, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 29 mph from the north.

70
°F maximum temperature
68
°F minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
70
°F wind chill
29
mph wind from N

Tristan da Cunha weather for Tuesday 10th March 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 70°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a moderate gale of 33 mph from the north.

70
°F maximum temperature
64
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
6
UV index (High)
99
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
33
mph wind from N

Tristan da Cunha weather for Wednesday 11th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-west.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
64
°F wind chill
16
mph wind from SW

Tristan da Cunha weather for Thursday 12th March 2026

Expect scattered clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

61
°F maximum temperature
59
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Tristan da Cunha weather for Friday 13th March 2026

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.