San Diego Temperatures NewsLatest News On San Diego Temperatures Olivia's forecast: Unseasonable heat continues, more record high temperatures possible3/19/2026 1:51 PM Summer arrives early: Record March heat wave to scorch San Diego County3/12/2026 11:28 AM The Streamline: Record heat expected to broil San Diego County3/12/2026 7:32 AM San Diego County to heat up through the week before weekend cooldown5/20/2025 9:36 AM Heat wave to hit parts of San Diego County hard this weekend7/19/2024 8:57 AM Extreme heat continues to broil San Diego County7/9/2024 8:59 AM
