SAN DIEGO — Friday afternoon high temperatures will be near seasonal norms.
- Coastal highs 64°-71°, normal around 67°.
- Inland highs 63°-75°, normal around 72°.
- Mountain highs 49°-60°, normal around 56°.
- Desert highs 67°-72°, normal around 72°.
At the beaches, water temperature is 57°-61° with a moderate rip current risk. Wave heights are 2'-4' from a northwest swell. The UV index will peak at 3 (moderate).
Humidity in the County will be dry. Coastal and inland areas will see dew points 10°-30°. Mountain and desert dew points will be 5°-10°.
Air quality in San Diego County will be good to moderate. Forecast AQI values will be 39-60 with PM2.5 being the primary pollutant.
A Red Flag Warning has been issued for San Diego County inland and mountain areas 9 AM Saturday. Winds 20-30 mph with gusts to 50 mph are expected. Wind prone locations could see gusts as high as 60 mph. Relative humidity levels will drop to 8-12% through Saturday. Winds will be weaker Sunday and Monday, but humidity remains very dry.
THE WEEK AHEAD:
Cool Santa Ana winds will bring very low humidity and warmer temperatures to San Diego County through Saturday. Winds will be gusty in the mountain and inland areas.
The system will begin to weaken late Saturday as the northern high pressure and the eastern low pressure moves on. Offshore flow will linger but taper off through Monday, so air will remain dry through the start of next week.
Temperatures above average to start the next week, with a ridge of high pressure over the West Coast. There will be a slow cool down to near seasonal average by the end of that week.