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Old 02-19-2009, 08:05 AM
NineToTheSky is offline
Join Date: Mar 2006
Location: UK
Posts: 2,774

How accurate are weather forecasts?

I'm going away in ten days (to celebrate my 25th wedding anniversary ), and I looked up the forecast for the weekend after next. On this site, it tells me temperatures, cloud cover, whether it will rain or not, and wind speed. Can they really tell to that degree of accuracy (or any degree) what the weather will be like? Don't forget that this is for the UK where the weather changes from day to day.

I've always meant to make a note of the forecast and then compare it to the actual weather, but I've never got round to it.

How far ahead can forecasts be relied upon? I know the very basic principles of weather forecasting, but what information do they need to compile a forecast for weeks or months away?


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