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Grytviken Weather Forecast

Temperature, wind, rain and more for Grytviken

South Georgia And South Sandwich Islands

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 13
Feb		16:00

SW
SW

 6 / 10 mph 36 / 31°F 81% 989 mb
Low level cloud: 22%
Mid level cloud: 38%
High level cloud: 20%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 5 / 7 mph 36 / 31°F 86% 989 mb
Low level cloud: 77%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 2 / 2 mph 36 / 36°F 93% 990 mb
Low level cloud: 81%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 14
Feb		01:00

WSW
WSW

 5 / 9 mph 32 / 27°F 92% 989 mb
Low level cloud: 54%
Mid level cloud: 42%
High level cloud: 29%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 12 / 17 mph 31 / 22°F 74% 989 mb
Low level cloud: 0%
Mid level cloud: 77%
High level cloud: 8%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 9 / 13 mph 31 / 23°F 73% 990 mb
Low level cloud: 0%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: medium
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 11 / 13 mph 33 / 24°F 63% 992 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 8 / 10 mph 35 / 28°F 59% 993 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 1%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 11 / 14 mph 35 / 26°F 64% 995 mb
Low level cloud: 7%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 11 / 13 mph 34 / 25°F 67% 998 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 11 / 13 mph 32 / 24°F 73% 1001 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 16%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Grytviken:

Reviewing the forecast for Grytviken Over the next 7 days and the average daytime maximum temperature will be around 8°C, with a high for the week of 13°C expected on the afternoon of Wednesday 18th. The average minimum temperature will be 2°C, dipping to its lowest on the morning of Sunday 15th at -3°C. The week will have some days seeing a little precipitation and some days with rain, sleet or snow. Current predictions suggest Friday 15th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be moderate.

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