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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 26
May
04:00

WNW
WNW

25 / 39 mph 35 / 22°F 92% 982 mb
Low level cloud: 65%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

WNW
WNW

20 / 32 mph 33 / 22°F 88% 981 mb
Low level cloud: 45%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

17 / 26 mph 33 / 22°F 88% 980 mb
Low level cloud: 18%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

17 / 26 mph 33 / 22°F 87% 979 mb
Low level cloud: 18%
Mid level cloud: 47%
High level cloud: 6%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

12 / 21 mph 32 / 22°F 85% 977 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 22%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

11 / 19 mph 29 / 20°F 90% 978 mb
Low level cloud: 13%
Mid level cloud: 78%
High level cloud: 56%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

18 / 27 mph 24 / 11°F 85% 980 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 27
May
01:00

SSW
SSW

20 / 34 mph 19 / 3°F 78% 983 mb
Low level cloud: 0%
Mid level cloud: 77%
High level cloud: 30%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

18 / 29 mph 18 / 2°F 74% 985 mb
Low level cloud: 4%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

17 / 28 mph 18 / 2°F 75% 986 mb
Low level cloud: 11%
Mid level cloud: 43%
High level cloud: 8%
Most Significant Cloud Type: medium
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

19 / 25 mph 21 / 6°F 75% 987 mb
Low level cloud: 6%
Mid level cloud: 31%
High level cloud: 20%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

20 / 23 mph 24 / 9°F 76% 987 mb
Low level cloud: 18%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

22 / 26 mph 24 / 9°F 75% 987 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

23 / 32 mph 22 / 6°F 74% 986 mb
Low level cloud: 11%
Mid level cloud: 64%
High level cloud: 0%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

33 / 56 mph 20 / 1°F 75% 985 mb
Low level cloud: 20%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Grytviken:

The outlook for Grytviken in the week ahead shows the average daytime maximum temperature will be around -1°C, with a high for the week of 2°C expected on the afternoon of Friday 2nd. The average minimum temperature will be -6°C, dipping to its lowest on the evening of Thursday 1st at -10°C. The week will have most days seeing a little sleet or snow. It looks like Friday 1st will have the most precipitation with an accumulation of around 5.0mm. On the whole winds are likely to be fresh. Expect the strongest wind on Sunday morning, coming from a south westerly direction, and reaching around 35mph. However, the maximum wind gusts are forecast for Saturday evening.

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