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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 16
Nov		07:00

SW
SW

 9 / 12 mph 25 / 16°F 66% 988 mb
Low level cloud: 6%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 9 / 16 mph 24 / 14°F 60% 989 mb
Low level cloud: 3%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: medium
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 9 / 19 mph 23 / 13°F 62% 990 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 11 / 22 mph 23 / 12°F 62% 989 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 9 / 16 mph 24 / 14°F 68% 990 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 10 / 15 mph 24 / 14°F 74% 990 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 17
Nov		01:00

S
S

 7 / 10 mph 25 / 17°F 72% 988 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 14%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 5 / 8 mph 24 / 18°F 71% 987 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 2 / 4 mph 24 / 22°F 68% 987 mb
Low level cloud: 1%
Mid level cloud: 7%
High level cloud: 14%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 2 / 3 mph 25 / 23°F 67% 985 mb
Low level cloud: 25%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 5 / 9 mph 26 / 20°F 68% 984 mb
Low level cloud: 43%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 7 / 11 mph 26 / 19°F 65% 983 mb
Low level cloud: 2%
Mid level cloud: 74%
High level cloud: 76%
Most Significant Cloud Type: medium
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 7 / 12 mph 26 / 18°F 68% 983 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 19%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 7 / 10 mph 25 / 17°F 70% 984 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
The 7 day weather forecast summary for Grytviken:

For Grytviken in the coming week the average daytime maximum temperature will be around -3°C, with a high for the week of 0°C expected on the afternoon of Sunday 23rd. The mean minimum temperature will be -5°C, dipping to its lowest on the afternoon of Wednesday 19th at -9°C. The coming week will have some days seeing a little precipitation and some days with snow. It looks like Tuesday 19th will have the most precipitation with an accumulation of around 16.0mm. 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