This weekend was mostly sunny due to high pressure from the Pacific Northwest and offshore flow.
Sunday will be the last day of these warm temperatures before a cooling trend begins for the workweek, dropping high temperatures to the 50s and 60s.
Daytime highs for the beaches, coastal valleys, and interior will be in the 50s and 60s.
Low temperatures will remain on the colder side with overnight temps in the 30s and 40s, except in a few interior areas dipping into the 20s.
However, another mostly sunny day is expected on Monday.
An upper-level trough will arrive in the region by Tuesday.
Below the surface, winds will then begin to move weakly onshore and a decent amount of low clouds will push into the coasts and lower valleys south of Point Conception.
The skies will be partly cloudy as clouds gather ahead of the approaching storm that arrives by the midweek.
Light rain or drizzle may expand across the Central Coast by Tuesday night.
Widespread rain may occur sometime Wednesday through Friday.
The southwest portion of the region will likely experience the highest precipitation from a single storm this season with the upcoming storm this week.
There is a 30-60 percent chance (highest on the Central Coast) of 2-4 inches of precipitation across the coasts and valleys and 4-8 inches for the foothills and mountains.
