The National Weather Service has issued a freeze warning for San Diego County’s inland valleys and foothills. The warning will be in effect from 10 p.m. Thursday to 9 a.m. on Friday.
Forecasters says that overnight temperatures are expected to drop into the 20s and 30s in many areas. The temperature had already fallen to 30 degrees Thursday afternoon in Julian, which at least eight inches of snow has fallen. San Diego International Airport will have a low of 43.
The weather service says daytime high temperatures in San Diego will remain below average until early next week. Temperatures will climb to the upper 60s by late in the week, and rain isn’t expected for at least a week.