The weather in Scotland can change from hour to hour with most of the sunshine in Ayrshire, Lothians, Angus and Fife, the least for the mountains in the Highland region. The average sunshine hours are at their maximum in May and June and the least in December and January. Because of the high latitude the winter days are very short but are compensated with long summer days with only 5 hours of “almost darkness”. Mountain Weather Information Service - mwis.org.uk
Best weather forecast website for serious hillwalkers, specialises in avalanche alert forecast for winter climbing. Scottish forecasts in conjunction with Sportscotland and the Mountaineering Council of Scotland. Also features an online educational resource to allow hillwalkers to learn more about the weather. The site has a clickable area map to select the correct forecast and a link to webcams at Aonach Mhor, Ben More Mull, Ben Nevis ,Cairngorm Mountain, Knoydart and Meall a Bhuiridh.
There is also a useful link to Walk Highlands .co.uk which highlights Scottish Walks and Accommodation. BBC WEATHER CENTRE, SCOTLAND (NORTH and SOUTH) Scottish Map indicating independently Cloud, Rain, Wind and Temperature on a 3 hour interval over 5 days or combined overview. METCHECK .COM Insert Postcode or Location for 7 day forecast analysing Temperature, UV, Rain, Cloud, Wind Speed, and Gust Speed on a Global basis.