Some people will see fog again this morning before 9 a.m. It will be a mostly sunny day with a high of 89 and light and variable wind. Today and tomorrow will be Code Yellow air quality days for both ozone and particle pollution. People with heart or lung diseases may be affected, as well as active children.

Tonight will be partly cloudy and 68, with calm wind. Fog may form after 4 a.m.

Thursday will start with fog again until 9 .m. Then it will become mostly sunny and hot, with a high of 90. Calm wind will become southwest at 5-7 mph. A 20 percent chance of showers and storms is possible before 1 a.m. It will be partly cloudy and 71. South wind will be around 5 mph.

Friday will have a 30 percent chance of showers and thunderstorms, mainly after 1 p.m. It will be mostly sunny and 89, with southwest wind at 5-9 mph. Friday night will have a 30 percent of showers and thunderstorms mainly before 1 a.m. It will be mostly cloudy and 71.

Saturday will be mostly cloudy and 87, with a 50 percent chance of showers and thunderstorms before 9 a.m., then showers between 9 and 11 a.m., then more thunderstorms. Saturday night will also have a 50 percent chance of showers and thunderstorms. It will be mostly cloudy and 69.

Sunday will be partly sunny and 86, with a 40 percent chance of showers, then thunderstorms possible after 11 a.m. Sunday night will have a 30 percent chance of showers and storms. The low will be 68 under mostly cloudy skies.

Monday will be partly sunny and 85, with a 30 percent chance of showers and storms. The low will be 70, with another 30 percent chance of showers and thunderstorms.

Tuesday, it’s back to a 50 percent chance of showers and thunderstorms, but it will be partly sunny and 88.