High winds, cool temps and slight chance of rain enter SF Bay Area forecast

Summer may be near, but it’s not time to put your jacket in the back of the closet quite yet.

High winds, cool temperatures and even a slight chance of rain are all in the weather mix for the San Francisco Bay area this week, according to the National Weather Service. 

The week is getting off to a breezy and cool start with locally gusty winds forecast across the region Monday and well below seasonal averages through midweek.

The weather service issued a wind advisory for noon to 8 p.m. Monday for the coastline in Sonoma and Marin counties, San Francisco, North Bay mountains, East Bay hills and valleys, San Mateo Coast, Big Sur coast and Salinas Valley. Sustained winds of 20 to 30 mph are possible with gusts up to 45 mph. Favored gaps and passes could see isolated gusts up to 55 mph. 

“The strongest winds will be on the highest peaks and along the coast,” said Anna Schneider, a meteorologist with the weather service. “Altamont Pass will definitely see some high winds.”

The weather serviced warned that tree limbs could be blown down and power outages are possible. 

Afternoon high temperatures Mondays will range from the upper 50s to mid-60s near the coast to upper 60s to mid-70s inland.

A trough of low pressure dropping down from the Pacific Northwest will kick up the winds and also push down temperatures through Wednesday. Only the warmest interior spots will break 70 degrees and upper 50s to mid 60s will be common near the coast.

“These values are generally 5 (coast) to 15 (interior) degrees below seasonal averages,” the weather service said in its forecast.

It could get downright chilly for spring overnight with temperatures dropping into the lower 50s near the coast and 40s inland. “A few of the
coldest interior spots may even dip into the upper 30s through midweek,” the weather service said. 

Temperatures will warm slightly Thursday as the trough exits the region though remain below normal. 

On Friday, another trough of low pressure will sweep the region, pushing temperatures back down and delivering a small chance of rain for the North Bay into Saturday.

“I’d say it’s pretty low,” said Schneider. “Right now we have 15% to 20% chance for rain in the North Bay. It would be a light drizzle or light showers. It’s unlikely to move south of the Golden Gate.”

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