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Tristan Da Cunha Weather Forecast

Temperature, wind, rain and more for Tristan Da Cunha

Tristan Da Cunha

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 21
Dec		15:00

WNW
WNW

 16 / 19 mph 72 / 76°F 95% 1023 mb
Low level cloud: 39%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 15 / 17 mph 70 / 69°F 95% 1024 mb
Low level cloud: 36%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 13 / 17 mph 66 / 66°F 94% 1025 mb
Low level cloud: 27%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 22
Dec		00:00

W
W

 13 / 20 mph 64 / 64°F 94% 1025 mb
Low level cloud: 22%
Mid level cloud: 1%
High level cloud: 2%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 13 / 23 mph 63 / 63°F 95% 1024 mb
Low level cloud: 31%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 12 / 25 mph 64 / 62°F 96% 1025 mb
Low level cloud: 27%
Mid level cloud: 8%
High level cloud: 51%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 12 / 20 mph 66 / 65°F 96% 1026 mb
Low level cloud: 23%
Mid level cloud: 6%
High level cloud: 20%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 12 / 16 mph 69 / 68°F 95% 1026 mb
Low level cloud: 20%
Mid level cloud: 3%
High level cloud: 88%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 13 / 15 mph 71 / 69°F 95% 1026 mb
Low level cloud: 15%
Mid level cloud: 7%
High level cloud: 19%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 13 / 18 mph 69 / 68°F 94% 1025 mb
Low level cloud: 13%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 13 / 23 mph 65 / 65°F 95% 1026 mb
Low level cloud: 20%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Tristan Da Cunha:

Over the next 7 days the Tristan Da Cunha forecast suggests the average daytime maximum temperature will be around 21°C, with a high for the week of 24°C expected on the afternoon of Monday 23rd. The average minimum temperature will be 16°C, dipping to its lowest on the morning of Saturday 28th at 12°C. The week will have mostly dry days although Saturday 21st and Wednesday 25th are likely to see a significant amount of rain. The current forecast indicates Wednesday 28th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be fresh. The strongest wind will be experienced on Saturday morning, coming from a westerly direction, and reaching around 26mph. However, the forecast suggests maximum gusts on Tuesday morning.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure