Temperatures will drop significantly below average before dawn Thursday and Friday across San Diego County, due to the cold air left by the Alaska storm that soaked most of the region, says the National Weather Service. .
Meteorologists estimate temperatures to be between 7 and 12 degrees below normal Thursday early Thursday and roughly the same on Friday.
Mountains are expected to drop in the upper 20s, as Julian drops to 33, Ramona to 34, El Cajon to 41, and Oceanside to 45 or 46 degrees. San Diego will drop from 47 to 48 degrees before dawn on Thursday. They are six or seven degrees below average.
The Weather Service says the temperature will be 57 degrees at 6pm on Wednesday when the Petco Park gates open for the Elton John concert. When he takes the stage at 8pm, the temperature will be between 54 and 55 degrees.