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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.


Estaciones meteorológicas cercanas - Opfikon Distancia
Reckenholz 1.2 km
Zúrich 6.9 km
Zurich-Kloten 7.3 km
Dübendorf Aeropuerto 14.8 km
Lägern 14.9 km
Cham 25.8 km
Wädenswil 28.8 km
Hallau 31.3 km
Schaffhausen 32.2 km
Wut�schingen-Ofteringen 32.7 km
Beznau 35.1 km
Mosen 36.9 km
Brugg-Wildegg 39.3 km
Einsiedeln 41.1 km
Leibstadt 41.6 km
Emmen Aeropuerto 42.8 km
Tänikon 43.8 km
Lachen 46.2 km
Buchs 48.4 km
Hörnli 48.6 km
Lucerna 48.6 km
Singen 51.5 km
Buochs Aeropuerto 51.5 km
Monte Pilatus 56.2 km
Alpnach Aeropuerto 58.1 km
Lenzkirch 58.3 km
Geisingen 58.5 km
Altdorf 59.5 km
Obergösgen 60.7 km
Salen-Reutenen 61.7 km
Egolzwil 62.7 km
Engelberg 66.5 km
Ebnat-Kappel 67.5 km
Villingen-Schwenningen 70.0 km
Rünenberg 70.5 km
Titlis 71.9 km
Giswil 72.3 km
Möhlin 73.2 km
Glaris 74.3 km
Feldberg 76.2 km
Schüpfheim 76.4 km
Napf 78.6 km
Constanza 80.2 km
Klippeneck 80.3 km
Wynau 83.7 km
Meiringen 84.7 km
Naetschen 85.1 km
Rottweil 85.1 km
Disentis/Sedrun 86.7 km
Hospental 86.8 km
Güttingen 87.3 km
Elm 91.2 km
Säntis 94.6 km
Langnau im Emmental 94.9 km
Grimsel-Hospiz 95.8 km
Crap Masegn 97.2 km
Elzach 97.4 km
San Galo 98.2 km
Meßstetten 100.1 km
Piotta 100.8 km
Friburgo de Brisgovia Aeropuerto 101.2 km
Wolfach 102.3 km
Ulrichen 103.1 km
Binningen 104.8 km
Ilanz 105.0 km
Lago di Robièi 106.4 km
Koppigen 106.6 km
Müllheim 106.8 km
Interlaken 109.1 km
Mundingen 109.6 km
Sigmaringa 111.0 km
Jungfraujoch 112.4 km
Basilea-Mulhouse-Friburgo aeropuerto 113.1 km
Friedrichshafen Aeropuerto 114.2 km
Freudenstadt 114.8 km
Comprovasco 115.2 km
Vaduz 115.9 km
Rheineck-Altenrhein 116.4 km
Thal 116.5 km
Bad Ragaz Aeropuerto 118.2 km
Hechingen 118.4 km
Eggishorn 118.8 km
Matro 119.7 km
Cevio 121.0 km
Binn 121.3 km
Feldkirch 122.7 km
Grenchen 125.4 km
Bern-Belp 125.9 km
Zollikofen 126.2 km
Wimmis 127.1 km
Chur-Ems 127.9 km
San Bernardino 128.2 km
Lahr 129.6 km
Delémont 130.1 km
Weingarten 130.2 km
Altheim 132.4 km
Blatten 134.2 km
Dornbirn 134.6 km
Tinizong-Rona 135.1 km
Colmar 136.0 km