Saturday - Looks to be the better day (fewer storms) of the two days. Starts with patchy fog through 9am, and even a few isolated showers Bay Area back to the Gulf Coast. Morning temps in the mid 70's heat up to around low 90's degrees by mid-afternoon. Light winds are expected from the West/Southwest around 2- 12mph so it will be good Beach, Boating, and Golfing Weather.
Only a few late storms are in the evening forecast (after 8pm). Add to it, only around a 30-40% coverage is likely around the 10 News Viewing Area.
Sunday - Mostly Sunny skies, and morning temps in the upper 70's heat rapidly to low 90's. Winds are looking to turn from the East/Southeast around 5-12mph and a few higher gusts.
Thunderstorms are forecasted to be more widely scattered at around a 50%-60% of the Bay Area, after 4pm and lasting through 9pm.
Monday - Wednesday - Sunny skies in the morning with low temps in the mid 70's. Partly cloudy, hot, and humid afternoons with high temperatures around 90 degrees. More widespread storms remain in the forecast around a 60%-70% coverage for the second half of each day.