"Temperatures are rising and the threat of frost has ended. Thus, the FrostAdvisory will be allowed to expire," according to the NWS San Francisco CA. The advisory is in effect until 9 a.m.
On Sunday at 2:05 p.m. a frostadvisory was issued by the NWS San Francisco CA valid from Monday 8 p.m. until Tuesday 10 a.m. According to the NWS, "Take steps now to protect tender plants from ...