To check the latest Gran Canaria weather forecast, all you have to do is look at the satellite map below, and then see the predictions for the next few days. We generally have good weather all year round, but when rain is expected, it is fairly difficult for the weather men and women, to know exactly where it is going to rain. As you can see below, the islands are small, and the sea is big, so it can rain on top of the sea too. So, to make things easier for themselves, many times of the year, they put an icon with sun, clouds, and light rain, on the maps.
Here's a 7 day weather forecast for Las Palmas de Gran Canaria (Northeast of Gran Canaria):
Here's a weather forecast for Playa del Ingles/ Maspalomas (Southeast of Gran Canaria):
The Spanish government's weather department has released a free and useful mobile phone app, that you can download on your smartphone or tablet, to check the weather of any spanish region. Here are the download links: