Like any astronomical enterprise, we are subject to the weather.  The following services may be of assistance.

• 7-Timer -
  Based in China. Allows to define locations by geographical coordinates.
• AccuWeather.com -
  An international website which can be customised for individual predefined locations
• Cloud Free Night – Meteograms -
  Cloud Free Night is a non-profit online weather forecast information service, for the benefit of the Australian and New Zealand astronomy community. It is unique in offering a comparison of the widely available forecasts from the United States GFS global model with higher resolution forecasts from the Australian Bureau of Meteorology ACCESS model. The Cloud ...
• New Zealand – Metservice -
  In New Zealand, Roland Idaczyk recommends Metservice.
• SkippySky -
  Andrew Cool started SkippySky in 2008 as a free service to amateur astronomers, but these days all sorts of people use it.  It provides regional cloud cover predictions and maps​ at 3-hour intervals.   Custom maps can be arranged. http://www.skippysky.com.au/Australia/
• The Weather Channel -
  Satellite images.
• TimeAndDate -
  Provides sun/moon rise/transit/set, twilights, ​moon phases for any location, and much more. https://www.timeanddate.com/

If you know of others, please email the webmaster with a description and links.