SAN DIEGO (FOX 5/KUSI) — A warmup is in store for the county at the beginning of the workweek, with tropical moisture entering and bringing a chance for showers.
By Tuesday, the coast and valleys will run about 5 to 10 degrees above average for this time of year. Daytime highs will be several degrees above average on Tuesday across the county.
San Diego weather: Warmup, then chances of rain this week
Tuesday highsSan Diego: 82°Vista: 88°Chula Vista: 80°Escondido: 91°Alpine: 91°Borrego: 103°
The second half of the week brings temperatures back down with a cooling trend and tropical moisture left over from Tropical Storm Mario, which means the county can expect rain.
The moist and unstable conditions will usher in showers and thunderstorms with the coastal and inland valley regions preparing for a 20 to 30 percent chance of rain…