Wednesday-Thursday: A stronger system arrives by the middle part of the work week bringing in a better chance of rain (30-40%), strong westerly flow and even some fall like temperatures in the mid to upper 70s.
Friday-Weekend: Drier and sunny conditions return for the last weekend of summer. Highs will warm up gradually into the upper 80s to low 90s with only a slight 10% chance of rain.
Monday: First day of fall! Sunny with highs in the upper 80s.
Fall finally begins Monday, September 22nd at exactly 7:29pm PST.
Updated by Chief Meteorologist Candace Campos at 7:30pm on Tuesday, September 16th, 2014.