The temperatures are hot and dogs like people need to be protected.
Please make sure your pet has access to adequate shade and plently of water. Before you leave your pet during the day ensure the water containers are in the shade and make sure the water containers are full. It is imortant to have more that one water container in case your pet turns over the water container.
For more information on how to keep your dog or your cat cool see the RSPCA link here