Moisture is increasing ahead of an upper level low pressure area which will bring much needed rainfall Friday through early Saturday. Overnight lows will stay in the upper 40s to lower 50s Thursday night with an increasing chance of showers into Friday morning. Scattered showers during the day Friday will become more numerous Friday night with locally heavy downpours. Rain ends Saturday morning as winds shift to the north, ushering in drier and slightly cooler air. Rainfall amounts of a quarter to three quarters of a inch are expected but a few spots could pick up just over an inch. Drier air moves in Saturday afternoon with a chilly northerly breeze which will bring lows down into the 30s to low 40s Saturday night. A warming trend begins Sunday with highs in the 60s Sunday, climbing into the 70s for Christmas week with mainly dry weather.
Thursday night: Mostly cloudy with a chance of showers by morning and lows in the upper 40s to lower 50s.
Friday: Showers are likely, becoming more numerous in the evening and overnight. Highs will reach into the mid to upper 60s with easterly winds.
Saturday: Early day showers will end and clouds will break up in the afternoon with northerly winds at 12-20 mph.
Saturday Night: Clear and cold with lows in the mid 30s inland to the lower 40s coast.
Sunday: Sunny and mild with afternoon highs in the mid to upper 60s and a light northerly breeze.