The cool, humid weather that San Diego County will experience on Friday will linger through the weekend and will be followed Monday by significant rain west of the mountains and some snow on the highest peaks in the region.
The National Weather Service says a low-pressure trough will again produce a deep sea layer on Friday, generating erratic drizzles.
The daytime high in San Diego will be 64 degrees on Friday, 67 on Saturday and Sunday, and 62 on Monday. The seasonal high is 66 degrees.
Escondido will be 68 on Friday, 70 on Saturday, 69 on Sunday and 62 on Monday.
Forecasters say a new low-pressure system will arrive late Sunday night and produce about a half inch of rain on and near the coast by Monday night, and up to an inch across some inland valleys. and the hills. About two inches of snow will fall at and above 6000 feet. Julian is not expected to exceed 45 degrees on Monday.
As forecasters have repeatedly pointed out, the county is badly in need of rain. San Diego International Airport has only received 4.36 inches of precipitation since October 1. That’s 5.43 inches below average.
There is good news for the surfing community.
A southerly swell will arrive on Friday and will generate waves in the 3-foot to 4-foot range throughout the weekend, mostly at 16-20 second intervals. The heaviest swell will occur in the north of the county, where waves of between 6 and 8 feet are possible, according to the weather service.
The sea surface temperature is in the range of 62 to 63 degrees.
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