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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
Sun 15
Mar		01:00

SSE
SSE

 3 / 6 mph 41 / 40°F 82% 1014 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

 8 / 16 mph 39 / 33°F 87% 1016 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 86%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 6 / 9 mph 39 / 34°F 96% 1018 mb
Low level cloud: 69%
Mid level cloud: 42%
High level cloud: 20%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 6 / 7 mph 44 / 40°F 95% 1019 mb
Low level cloud: 77%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

 4 / 4 mph 49 / 47°F 93% 1018 mb
Low level cloud: 72%
Mid level cloud: 64%
High level cloud: 33%
Most Significant Cloud Type: low
98%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

NNW
NNW

 4 / 4 mph 49 / 48°F 95% 1017 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 9 / 15 mph 46 / 42°F 97% 1016 mb
Low level cloud: 64%
Mid level cloud: 67%
High level cloud: 47%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 9 / 20 mph 43 / 37°F 95% 1016 mb
Low level cloud: 25%
Mid level cloud: 41%
High level cloud: 10%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Mar		19:00

WNW
WNW

 11 / 24 mph 41 / 35°F 95% 1008 mb
Low level cloud: 39%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: low
75%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

WNW
WNW

 13 / 16 mph 52 / 48°F 90% 1007 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 62%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Grytviken:

For Grytviken in the coming week the average daytime maximum temperature will be around 10°C, with a high for the week of 16°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 22nd at -2°C. Expect the coming week to have some days seeing a little precipitation and some days with rain, sleet or snow. The indicators are that Sunday 22nd will have the most precipitation with an accumulation of around 23.0mm. On the whole winds are likely to be moderate. Expect the strongest wind on Thursday morning, coming from a north westerly direction, and reaching around 31mph.

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