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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Nearby Weather Stations - Portree Distance
Bealach na Bà 56.8 km
Aultbea 80.4 km
Stornoway 89.5 km
Tiree Island 126.7 km
Benbecula 129.7 km
South Uist Range 130.2 km
Oban Airport 138.1 km
Loch Glascarnoch 150.3 km
Aonach Mòr 152.5 km
Tulloch Bridge 177.8 km
Islay/Port Ellen 191.9 km
Altnaharra 218.9 km
Machrihanish 226.5 km
Glen Ogle 236.5 km
Inverness Airport 240.0 km
Ballypatrick Fst 247.2 km
Glasgow Bishopton 249.9 km
Tain Air Weapons Range 253.9 km
Malin Head 259.4 km
Glasgow Airport 260.8 km
Magilligan 263.1 km
Aviemore 264.5 km
Sule Skerry 272.1 km
Prestwick 277.0 km
Eglinton Airport 282.2 km
Portglenone 283.7 km
Cairngorms 287.7 km
Kinloss 294.3 km
Strathallan 300.5 km
Belfast Intl. Airport 304.7 km
Lough Fea 305.9 km
Belfast/Harbour 313.8 km
RAF West Freugh 316.4 km
Lossiemouth 322.7 km
Castlederg 337.4 km
Drumalbin 339.5 km
Glenanne 353.8 km
Donegal Airport 354.2 km
Edinburgh Airport 356.5 km
Edinburgh Gogarbank 358.2 km
Wick 364.7 km
Dundee/Riverside 370.2 km
Thomastown 374.8 km
Aboyne 376.6 km
Dundrennan 378.8 km
Leuchars 389.0 km
Ballyhaise 391.8 km
Finner Camp 394.8 km
Kirkwall Airport 404.8 km
Eskdalemuir 406.9 km
Isle of Man Airport 408.5 km
St Bees Head 431.5 km
Sligo Airport 437.2 km
Dublin Airport 440.8 km
Inverbervie 442.4 km
Aberdeen Airport 445.3 km
Mullingar 447.9 km
Carlisle 453.5 km
Dublin Csmt Aero 456.2 km
Keswick 459.8 km
Charterhall 465.1 km
Spadeadam II 483.8 km
Spadeadam 483.8 km
Ireland West Airport 485.2 km
Walney 491.8 km
Redesdale Camp 496.4 km
Valley 497.7 km
Raf Mona 503.5 km
Shap 507.9 km
Claremorris 512.5 km
Great Dun Fell 516.0 km
Gurteen 525.7 km
Warcop Range 526.7 km
Blackpool Airport 535.8 km
Capel Curig 541.1 km
Belmullet 549.5 km
Warton Aerodrome Airport 549.8 km
Rhyl 549.9 km
Crosby 557.2 km
Stonyhurst 575.2 km
Liverpool AP 586.8 km
Hawarden 592.1 km
Mace Head 611.4 km
Rostherne 619.2 km
Manchester 627.6 km