Weekend chill ahead with rain, too

Our evening temperatures started off around 70° and are falling through the 60s. The lowest temps early tomorrow morning will be in the low 50s.With a weather system moving across the region, some scattered showers are possible.Over the weekend, more rain is coming, although there will be plenty of times when it won't be raining.
Our incoming system, an area of low pressure, cut off from the main Jetstream flow, sets up shop over the area and does not really budge until the Tue/Wed timeframe