San Diego County September 4, 2023 4:00 am San Diego weather today: Sheena Parveen's forecast for Sept. 4, 2023 San Diego weather today: Sheena Parveen’s forecast for Sept. 4, 2023 US & World Videos 2:13 Meteorologist explains why northern Lights were visible from parts of San Diego County 2:49 Collision involving teen cyclist sparks demands for improved bike lanes in La Mesa 3:56 What to know if you're flying out of Tijuana 3:28 Female pilots at MCAS Miramar inspire women to pursue aviation careers 2:46 Candidates face off in race for San Diego's 51st Congressional district