Bay Area temperatures plunge as first frost of the season hits

November 17 2016
November 17 2016

The first frost of the season hit the North Bay valleys early Thursday morning as temperatures dropped across the Bay Area, forecasters said.

The frost advisory for the inland valleys, which includes the eastern Monterey valleys and southeastern San Benito County valleys, will remain in effect until 8 a.m., according to the National Weather Service.

After a cold front passed through Tuesday, chilly air filtered into Northern and Central California, allowing frost to develop amid clear skies and light winds.

Temperatures continued to drop in San Francisco, but it’s doubtful the area will see any record-breaking lows. Forecasters expect the coldest temperatures will hit right before sunrise.

  • The temperature in San Francisco was 49 degrees just after 6:15 a.m., five degrees from the day record of 44 degrees set in 1994.

“It’s not quite close enough. I don’t think it’ll get down that far,” said Steve Anderson, a forecaster with the weather service.

Santa Rosa was a much cooler 35 degrees, while its record low for Nov. 17 was 30 degrees set in 2009.

Livermore was 38 degrees, far from its record low of 23 degrees in 1961.



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