Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 59°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Sunday
9th Aug
59

59

3

3
Monday
10th Aug
59

59

1

2
Tuesday
11th Aug
59

55

1

1
Wednesday
12th Aug
55

54

7

3
Thursday
13th Aug
55

52

3

3

5-day weather forecast updated at 04:03 on Sunday 9th August 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 9th August 2026

Expect mostly cloudy with light rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a strong breeze of 25 mph from the north.

59
°F maximum temperature
59
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
1
% chance of some rain
<2
mm of rainfall expected
59
°F wind chill
25
mph wind from N

Tristan da Cunha weather for Monday 10th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a strong breeze of 31 mph from the north.

59
°F maximum temperature
59
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
69
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
31
mph wind from N

Tristan da Cunha weather for Tuesday 11th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 59°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a fresh gale of 40 mph from the north.

59
°F maximum temperature
55
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
99
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
40
mph wind from N

Tristan da Cunha weather for Wednesday 12th August 2026

Expect sunshine and showers in Tristan da Cunha, St Helena & Islands with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 79% chance of some rain and a strong breeze of 29 mph from the north-west.

55
°F maximum temperature
54
°F minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
79
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
mph wind from NW

Tristan da Cunha weather for Thursday 13th August 2026

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a strong breeze of 28 mph from the north-west.