The National Weather Service forecast for the greater San Francisco Bay Area for Sunday calls for scattered showers, with weather becoming dryer as the day goes on.
Daytime highs will be mostly in the 50s in the Bay Area. Overnight lows will be in the low 40s on the coast and inland, and in the 40s around the bay and on the peninsula.
Patchy frost is expected in the North Bay, according to the NWS. A frost advisory will be in effect there from 1 a.m. through 9 a.m. Sunday to Monday as temperatures may drop to 34 degrees. In a post on social media, the agency said: "Protect people, pets, plants and pipes from the cold!"
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As a result of the frost advisory, Sonoma County issued a cold weather warning Sunday and recommended residents limit their time outdoors to avoid medical conditions caused by extended exposure to cold temperatures, like hypothermia and frostbite.
On its website, the county also noted that some shelters have extended capacity for unhoused residents in preparation for the weather.
It also opened at least two warming centers at night through Monday:
- Sebastopol Community Cultural Center Teen Annex in Sebastopol at 425 Morris Street
- Open to 7:30 a.m. Monday
- The Haven in Sonoma at 151 First Street West
- Open to 7 a.m. Monday
