10-day weather forecast for Orihuela Costa Over the next ten days, we’re expecting lots of sunshine and very pleasant temperatures — a real treat for November on the Costa Blanca. Most days will be around 20°C, making for warm, bright, and enjoyable weather. There’s a slight dip in temperatures expected on Friday and Saturday, when things will cool down a bit more to around 16°C. But aside from that, it’s beautiful, sunny, and mild all week long — perfect for outdoor walks, relaxing by the beach