San Diego County will experience well below normal high temperatures this week, according to the National Weather Service.
These cooler conditions will continue through Thursday, with a chance of mostly light showers on Thursday and Thursday night, forecasters said.
High temperatures Wednesday are expected to reach 70 to 74 near the coast, 74 to 79 in the western valleys, 69 to 79 in the mountains and 89 to 93 in the deserts.
High pressure will bring dry and much warmer weather for the weekend, according to the NWS.
Inland high temperatures are expected to reach around average on Saturday and rise 5 to 10 degrees above average by Monday.