Visit www.metcheck.com for a range of forecasts.

We have used metcheck.com to select forecasts for Gwent (bordering the western part of the lower Wye Valley) - but once on the site it is easy to check the forecasts for other areas as well:

48 hour forecast for Gwent

The 5 day fishing forecast for Gwent may also help your improve your catch!

if you live in the lower Wye Valley and need to mow your lawn or catch up with your pruning, try the
5 day gardening weather forecast