... including targeted forecasts at the time of your arrival to each point!
San Marcos, California has a mild climate year-round. Summers are usually hot and dry, with temperatures averaging in the upper 80s (Fahrenheit). Evening temperatures cool to the mid-50s, making for pleasant nights. Winters are mild with temperatures in the mid-50s during the day and cooling to the low 40s at night. Rain is scarce, but when it does come, it usually falls between December and March. Spring and fall are both mild and pleasant, with temperatures in the mid-60s during the day and cooling to the mid-40s at night.
As of 2020, the city population is 96219.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for San Marcos, California.