Pleasanton and the Tri-Valley are expected to be mostly sunny today with highs in the lower 60s and north winds of 5 to 10 mph.
Tonight the Tri-Valley is expected to be mostly clear in the evening and then partly cloudy. Lows in the mid 40s and northeast winds around 5 mph are anticipated.
For Tuesday, the National Weather Service is predicting a 70 percent chance of rain with accumulation of as much as half-an-inch. A high temperature of 53 degrees is forecast for mid-day.