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    This global web site presents OFFICIAL weather observations, weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services (NMHSs) worldwide. The NMHSs make official weather observations in their respective countries. Links to their official weather service web sites and tourism board/organization are also provided whenever available. Weather icons are shown alongside worded forecasts in this version to facilitate visual inspection.

    The media are welcome to make information presented in this web site available to the public. When doing so, credit to the respective NMHSs should be given.

    By March 2017, WWIS provided official weather information for 2123 cities in which 1997 cities are available with forecast from 135 members while 1961 cities are available with climatological information from 169 members. Suggestions to enrich the contents of this web site are welcome.

    Click a city on the map to see forecast and/or climatological information.
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    This web site is operated on behalf of WMO by Hong Kong Observatory of Hong Kong, China.