Tristan da Cunha weather live forecast

Today's maximum temperature in Tristan da Cunha is expected to be 61°F. Select a day from the live weather forecast for Tristan da Cunha, St Helena & Islands for more weather parameters.

Tuesday
16th Dec
61

55

5

11
Wednesday
17th Dec
64

61

7

11
Thursday
18th Dec
66

64

7

11
Friday
19th Dec
64

57

1

5
Saturday
20th Dec
63

57

1

11

5-day weather forecast updated at 04:03 on Tuesday 16th December 2025 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 Tuesday 16th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 61°F, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.

61
°F maximum temperature
55
°F minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
61
°F wind chill
9
mph wind from N

Tristan da Cunha weather for Wednesday 17th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north-west.

64
°F maximum temperature
61
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
64
°F wind chill
19
mph wind from NW

Tristan da Cunha weather for Thursday 18th December 2025

Expect broken clouds in Tristan da Cunha, St Helena & Islands with a maximum temperature of 66°F, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the north-west.

66
°F maximum temperature
64
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
66
°F wind chill
22
mph wind from NW

Tristan da Cunha weather for Friday 19th December 2025

Expect mostly cloudy with rain in Tristan da Cunha, St Helena & Islands with a maximum temperature of 64°F, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 12 mph from the south-east.

64
°F maximum temperature
57
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
5
UV index (Moderate)
60
% chance of some rain
<10
mm of rainfall expected
64
°F wind chill
12
mph wind from SE

Tristan da Cunha weather for Saturday 20th December 2025

Expect overcast skies in Tristan da Cunha, St Helena & Islands with a maximum temperature of 63°F, maximum UV of 11+ (Extreme) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the east.