Roberta's forecast

The Marine Layer pushes onshore overnight but retreats before lunchtime Saturday with ample sunshine both days over the weekend. Highs will be seasonal from the mid and upper 60s along the Coast to near 90 well Inland in Discovery Bay and Brentwood. High Pressure strengthens on Monday with highs reaching the upper 80s to the middle 90s Inland. Tuesday will be the warmest day of the next week, as high temperatures reaching the middle 70s to the middle 80s near the Bays and the upper 60s to lower 70s along the Coast and near 100 degrees in the hottest locations in the East Bay.