San Diego - Five-Day Weather ForecastSan Diego ClimateSan Diego's warm and sunny weather is one of its main attractions. Winters are mild with temperatures averaging about 58 degrees Fahrenheit (14 degrees Celsius). Summer temperatures range between 70 and 85 degrees Fahrenheit (22 and 30 degrees Celsius). Even in the summer months the evenings can turn cool so visitors should make sure they pack a light jumper or jacket
San Diego Climate Chart