Probabilities of rain transferring in as dry season ends in Bay Space

FILE: There are several chances for rain in the San Francisco Bay Area this week.

Chris LaBasco/Getty Images/iStockphoto

In the next week, there are three separate chances for rain in the San Francisco Bay Area as California transitions into a fall weather pattern. The first chances arrives Tuesday, the next Friday into Saturday, and the third next week on Monday, according to the National Weather Service. 

“This typically is the tail end of our dry season, so it’s not unusual to see systems roll in like this,” said Matt Mehle, a forecaster with weather service’s Bay Area office in Monterey. 

Skies were mostly clear over the San Francisco Bay Area on Tuesday morning as a cold front was exiting the region. Don’t expect the sunny weather to last for long, as a second cold front is poised to move across the region this afternoon.

Mehle said Tuesday’s system will be weak like the one that brought light rain to the region on Monday. Rainfall totals on Tuesday will be similar to those on Monday, with “a few hundredths to a tenth or two at most” possible, Mehle said. 


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“It’s not going to be a big soaker,” he added.

Wednesday and Thursday are expected to bring dry weather across the Bay Area, with temperatures returning to near normal.

“By Thursday, inland valleys will see highs from the upper 70s to lower 80s, the Bayshore recording highs in the mid 70s, and the coasts seeing temperatures from the mid 60s to the low 70s,” the weather service said in its forecast.

Friday and Saturday bring another chance for rain as a storm that’s expected to remain focused over the Pacific Northwest pushes into California. In the Bay Area, the North Bay is most likely to receive rain during this event, and amounts will likely only be about a few hundredths of an inch. This forecast, however, could change in coming days.


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A more significant chance for rain arrives Monday. “We have another system around the 16th of October,” Mehle said. “It looks like it has a little more precipitation with it, and it looks like we have precipitation all the way down to San Francisco with that one.”

A weak cold front swept the Bay Area on Monday, wetting the landscape. Most areas received less than a tenth of an inch, with northern Sonoma County receiving the most precipitation. A gauge near Sea Ranch on the Sonoma Coast recorded 0.26 inch of rain, Mehle said.


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