San Diegans deal with freezing temps, frost as cold snap works through region

Cold forecast through Tuesday

SAN DIEGO - Another cold day across the county had San Diegans bundling up on Sunday.

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About 1,800 people layered jackets over sweaters for this morning's K9 walk in Del Mar to support local animal welfare groups. Many dogs wore even wore jackets.

"When it's colder, it's harder on your lungs, but I think it will warm up once you get going …. Especially my dog with all the fur," said participant Debbie Wahl.

The National Weather Service had forecasted near-record low temperatures Saturday and Sunday nights.

A freeze warning will be in effect for the valleys and deserts from 10 p.m. Sunday through 8 a.m. Monday. There is also a frost advisory for the coastal areas that will be in effect also from 10 p.m Sunday through 8 a.m. Monday.

10News Meteorologist Craig Herrera said the county had more records set Sunday morning for overnight lows.

Campo dropped to 19 degrees, beating the old record, 21, that was set in 2007. Oceanside Airport dropped to 29 degrees and the old record was 31, which was set in 2007. Ramona hit 21 degrees, which was a new record. Borrego Springs tied a record at 32 degrees.

In other parts of the state, temperatures dropped to 5 degrees in the snow-covered Big Bear mountain resort east of Los Angeles on Saturday. Even the snowbird haven of Palm Springs saw temperatures hover around freezing at night.

Freeze warnings were issued for Sunday morning across wide swaths of the Los Angeles Basin. Residents were being urged to cover outdoor plants and bring pets inside.

In Sonoma County, homeless shelters handed out extra warm clothes to protect people from frigid overnight temperatures.

In the San Joaquin Valley, the heart of California’s citrus production, growers prepared for another round of freezing temperatures early Sunday after seeing little crop damage since Thursday night.

‘‘Last night was not a problem, but tonight and Monday morning could have the potential to be pretty cold,’’ Paul Story, director of grower service at California Citrus Mutual, said Saturday.

Farmers run wind machines and water to protect their fruit, which can raise the temperature in a grove by up to 4 degrees, Story said. Existing moisture, sporadic rain and cloud cover can also help keep in heat.

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