San Diego Starts Warm, Cools Midweek as Late-Week Showers Become Possible

Overview

• Temperatures run 5 to 10 degrees above average on Tuesday, with highs around 65 to 73 at the coast, 73 to 79 inland, 58 to 74 in the mountains, and 77 to 80 in the deserts.
• A cooling trend begins Wednesday as onshore flow strengthens and the marine layer deepens.
• Patchy coastal fog is expected over the next few mornings and evenings, with more widespread fog possible Wednesday morning that could slow commutes.
• A chance of showers develops as early as Thursday afternoon, peaks Friday, and may linger slightly into Saturday, with the storm track remaining uncertain.
• Rain, if it arrives, is expected to be light to moderate with a 10% to 20% chance of measurable amounts and totals from a few hundredths to locally over half an inch, before drier and warmer weather returns Sunday.