Not next weeks weather forecast unfortunately.Sorry I can't help you there,but in my experience....previously holidayed in Tenerife 15 times between April 2002 and October 2006, during various months of the year, March,April,May,June,August,September,October,November and December. In all of these holidays,only experienced slightly poor weather in November 2005,where it was warm but very cloudy and overcast for a full week.
Had the odd cloudy/windy day on other holidays but nothing at all to worry about.
The powerful sun still managed to get through,even on these cloudy days!
Hope it's lovely for you all.