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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
Tue 30
Dec		10:00

S
S

 1 / 2 mph 34 / 33°F 69% 992 mb
Low level cloud: 44%
Mid level cloud: 30%
High level cloud: 73%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

 1 / 1 mph 33 / 33°F 80% 992 mb
Low level cloud: 92%
Mid level cloud: 36%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 2 / 2 mph 34 / 33°F 74% 993 mb
Low level cloud: 23%
Mid level cloud: 10%
High level cloud: 9%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 3 / 4 mph 33 / 30°F 70% 994 mb
Low level cloud: 6%
Mid level cloud: 2%
High level cloud: 8%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 7 / 8 mph 32 / 26°F 66% 995 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 2%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 31
Dec		01:00

SSW
SSW

 5 / 6 mph 32 / 27°F 64% 995 mb
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 4 / 4 mph 31 / 27°F 63% 995 mb
Low level cloud: 1%
Mid level cloud: 81%
High level cloud: 0%
Most Significant Cloud Type: medium
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 1 / 1 mph 31 / 31°F 61% 995 mb
Low level cloud: 5%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 6 / 7 mph 35 / 28°F 71% 994 mb
Low level cloud: 47%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 8 / 9 mph 36 / 29°F 81% 993 mb
Low level cloud: 60%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 8 / 9 mph 37 / 30°F 81% 992 mb
Low level cloud: 54%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

 6 / 6 mph 35 / 29°F 84% 990 mb
Low level cloud: 54%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 6 / 7 mph 33 / 27°F 89% 989 mb
Low level cloud: 74%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: low
96%
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 1°C, with a high for the week of 4°C expected on the morning of Tuesday 6th. The average minimum temperature will be -1°C, dipping to its lowest on the afternoon of Tuesday 6th at -5°C. Expect the week ahead to have some days seeing a little precipitation and some days with rain, sleet or snow. Current predictions suggest Tuesday 6th will have the most precipitation with an accumulation of around 14.0mm. On the whole winds are likely to be light.

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