New UK gardening weekly weather forecasts
 

You may be interested to know of our site which has started free gardeners weather forecasts for the week ahead with information particularly relevent to gardeners and horticulturalists such as soil/grass minima temps, soil and ground conditions and expected rainfall amounts for the week coming.
It can be found half way down the page at

http://www.wiseweather.co.uk/weatherwise/id2.html

Hope its useful..