A drastic drop in temperature is predicted around the Bay Area by Wednesday, with daytime highs and nighttime lows expected to drop up to 15 degrees, forecaster Diana Henderson said.
In inland valleys in the North Bay, overnight lows on Wednesday could dip well below freezing to around 28 degrees, Henderson said.
In San Francisco and around the Bay, overnight lows will be in the low 40s, Henderson said. Daytime highs will likely be in the low 50s.
In the East Bay and on the Peninsula, overnight lows are likely to be in the mid 30s, according to the NWS.
The cold snap is predicted to last for several days into the weekend.
Residents in suburban areas should look out for frost on the roadways and protect pets by bringing them inside overnight.