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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
Mon 07
Jul		01:00

WSW
WSW

 26 / 41 mph 28 / 13°F 74% 1011 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 19 / 36 mph 26 / 13°F 73% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 19 / 36 mph 26 / 13°F 74% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 16 / 19 mph 31 / 20°F 77% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 12 / 14 mph 35 / 27°F 66% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 13 / 15 mph 36 / 27°F 53% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 14 / 21 mph 33 / 23°F 48% 1021 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 13 / 25 mph 30 / 19°F 48% 1020 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 08
Jul		01:00

SW
SW

 14 / 27 mph 28 / 17°F 54% 1019 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 13 / 27 mph 26 / 15°F 59% 1018 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 13 / 26 mph 26 / 15°F 55% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 37%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 11 / 16 mph 30 / 21°F 79% 1019 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 33%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 11 / 13 mph 34 / 25°F 80% 1019 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 10 / 12 mph 34 / 26°F 82% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 7 / 9 mph 32 / 25°F 78% 1021 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

 2 / 4 mph 29 / 27°F 77% 1022 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Grytviken:

Taking a look at Grytviken over the coming week and the average daytime maximum temperature will be around 3°C, with a high for the week of 11°C expected on the afternoon of Wednesday 9th. The average minimum temperature will be -3°C, dipping to its lowest on the evening of Friday 11th at -6°C. Expect the next week to have some days seeing a little precipitation and some days with rain, sleet or snow. Current predictions suggest Thursday 11th will have the most precipitation with an accumulation of around 28.0mm. On the whole winds are likely to be moderate. The strongest wind will be felt on Monday morning, coming from a westerly direction, and reaching around 35mph.

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