San Diegans can expect a mix of clear skies interspersed with chances of showers and thunderstorms starting mid-week, according to the latest forecasts from the National Weather Service. After a warming period, the weather is set to take a slight turn with the introduction of tropical moisture to the region. This means there’s a chance that umbrellas might need to be ready by Wednesday and Thursday.
Specifically, on Wednesday, the coast and valleys have a 15-25% chance of rain, while the mountains and deserts are looking at a slightly higher 15-30% possibility, as mentioned in a NWS San Diego update. The odds for showers and storms increase the following day, particularly in the mountains and deserts, with a forecasted 30-45% and 30-40% chance, respectively. The weather shift results from tropical moisture, bringing with it an increased chance of precipitation as the week progresses.
The week started with shallow marine layers and fog covering the coastal areas, as noted in the early morning Area Forecast Discussion by the National Weather Service San Diego. The marine layer is predicted to become even shallower, potentially resulting in minimal or non-existent low cloud coverage towards the weekend. Meanwhile, inland temperatures are expected to spike to 10 degrees above seasonal averages before a cooling trend re-establishes itself, courtesy of an upper low inching closer to Southern California…