Chula Vista broke a 33-year-old record on Thursday with temperatures reaching 91 as a heat advisory issued by the National Weather Service (NWS) remains in place until 6 p.m. throughout San Diego county.
Temperatures in Chula Vista surpassed the record of 89 set in 1989 with 91-degree weather, joining two other cities that have made history. El Cajon broke a record of 95 sets in 1899 with 97-degree weather. In Lake Cuyamaca, a record high minimum temperature was set at 53, breaking the record low of 50 set in 2016.
In addition to the heat advisory, the NWS placed valley areas under a wind advisory through 4 p.m. with wings of 15 to 25 mph anticipated along with gusts up to 50 mph. Forecasters said San Diego County may anticipate 95 to 100-degree weather, with temperatures peaking today.
The coastal areas o San Diego, Vista, Carlsbad, Encinitas, Chula Vista, and National City will also be under a heat advisory during the same period, with the NWS predicting temperatures between 88 and 96 degrees.
According to the NWS, the heat will be most widespread on Thursday and Friday, when the shallow marine layer will be pushed out to sea. Forecasters predict more fog and cooler air to spread inland as ““… A strong ridge aloft will collapse over the weekend”
Santa Ana wind conditions are expected to diminish today. Much colder air will arrive early next week, preceded by strong onshore winds over the mountains and deserts, and the potential for widespread rain and mountain snow on Tuesday, according to NWS.
The public is advised to drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun and check in on relatives and neighbors during this time.
“Young children and pets should never be left unattended in vehicles under any circumstances,'' forecasters said.
